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112121020111010 = 25101111010911001
BaseRepresentation
bin11001011111100100110101…
…100100110101100010100010
3112200222122221200002020210212
4121133210311210311202202
5104143442322122023020
61034243404025454122
732421322254141611
oct3137446544654242
9480878850066725
10112121020111010
11327a8291955649
12106a997a941342
134a73c7517bb71
141d989873db878
15ce67d1eeacc5
hex65f9359358a2

112121020111010 has 16 divisors (see below), whose sum is σ = 203816032599672. Its totient is φ = 44404364400000.

The previous prime is 112121020110949. The next prime is 112121020111013. The reversal of 112121020111010 is 10111020121211.

It can be written as a sum of positive squares in 4 ways, for example, as 111992459857201 + 128560253809 = 10582649^2 + 358553^2 .

It is a super-2 number, since 2×1121210201110102 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121020111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55505454491 + ... + 55505456510.

Almost surely, 2112121020111010 is an apocalyptic number.

112121020111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121020111010 is a deficient number, since it is larger than the sum of its proper divisors (91695012488662).

112121020111010 is a wasteful number, since it uses less digits than its factorization.

112121020111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010911109.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112121020111010 its reverse (10111020121211), we get a palindrome (122232040232221).

It can be divided in two parts, 1121210201 and 11010, that added together give a palindrome (1121221211).

The spelling of 112121020111010 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty million, one hundred eleven thousand, ten".

Divisors: 1 2 5 10 101 202 505 1010 111010911001 222021822002 555054555005 1110109110010 11212102011101 22424204022202 56060510055505 112121020111010