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20212202101001 = 197155572696257
BaseRepresentation
bin1001001100010000001010…
…01000000101100100001001
32122120021020010011010221212
410212020011020011210021
510122124042214213001
6110553205113342505
74154166132100241
oct446100510054411
978507203133855
1020212202101001
116492a46178329
122325315707a35
13b380055a9101
144dc3c0b28b21
15250b7469c7bb
hex126205205909

20212202101001 has 16 divisors (see below), whose sum is σ = 21579554828160. Its totient is φ = 18875301903360.

The previous prime is 20212202100991. The next prime is 20212202101033. The reversal of 20212202101001 is 10010120221202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20212202101001 is a prime.

It is a super-2 number, since 2×202122021010012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212202107001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6148265 + ... + 8844521.

It is an arithmetic number, because the mean of its divisors is an integer number (1348722176760).

Almost surely, 220212202101001 is an apocalyptic number.

It is an amenable number.

20212202101001 is a deficient number, since it is larger than the sum of its proper divisors (1367352727159).

20212202101001 is a wasteful number, since it uses less digits than its factorization.

20212202101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701904.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212202101001 its reverse (10010120221202), we get a palindrome (30222322322203).

The spelling of 20212202101001 in words is "twenty trillion, two hundred twelve billion, two hundred two million, one hundred one thousand, one".

Divisors: 1 19 71 1349 5557 105583 394547 2696257 7496393 51228883 191434247 3637250693 14983100149 284678902831 1063800110579 20212202101001