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1220211110019 = 311210135992707
BaseRepresentation
bin10001110000011010001…
…111111111000010000011
311022122120121110212201210
4101300122033333002003
5124442443021010034
62332320210501203
7154104653206026
oct21603217770203
94278517425653
101220211110019
114305413a7200
1217859a294803
138b0b09397c5
14430b68851bd
1521b192578e9
hex11c1a3ff083

1220211110019 has 48 divisors (see below), whose sum is σ = 1811054488320. Its totient is φ = 730152456000.

The previous prime is 1220211110009. The next prime is 1220211110029. The reversal of 1220211110019 is 9100111120221.

It is an interprime number because it is at equal distance from previous prime (1220211110009) and next prime (1220211110029).

It is not a de Polignac number, because 1220211110019 - 27 = 1220211109891 is a prime.

It is a super-2 number, since 2×12202111100192 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220211109977 and 1220211110004.

It is not an unprimeable number, because it can be changed into a prime (1220211110009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13115664 + ... + 13208370.

It is an arithmetic number, because the mean of its divisors is an integer number (37730301840).

Almost surely, 21220211110019 is an apocalyptic number.

1220211110019 is a deficient number, since it is larger than the sum of its proper divisors (590843378301).

1220211110019 is a wasteful number, since it uses less digits than its factorization.

1220211110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93192 (or 93181 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1220211110019 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred ten thousand, nineteen".

Divisors: 1 3 11 33 101 121 303 359 363 1077 1111 3333 3949 11847 12221 36259 36663 43439 92707 108777 130317 278121 398849 1019777 1196547 3059331 4387339 9363407 11217547 13162017 28090221 33281813 33652641 99845439 102997477 308992431 366099943 1098299829 1132972247 3361463113 3398916741 4027099373 10084389339 12081298119 36976094243 110928282729 406737036673 1220211110019