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102211122122011 = 719993730335061
BaseRepresentation
bin10111001111010111100001…
…101000000100110100011011
3111101220021202211200101220001
4113033113201220010310123
5101344111334230401021
61001215050303313431
730346336614110110
oct2717274150046433
9441807684611801
10102211122122011
112a627547888031
12b569249bab877
134505610011866
141b3508a962907
15bc3b2c385091
hex5cf5e1a04d1b

102211122122011 has 8 divisors (see below), whose sum is σ = 116818553837024. Its totient is φ = 87605151117120.

The previous prime is 102211122121939. The next prime is 102211122122027. The reversal of 102211122122011 is 110221221112201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102211122122011 - 215 = 102211122089243 is a prime.

It is a super-2 number, since 2×1022111221220112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102211122122011.

It is not an unprimeable number, because it can be changed into a prime (102211122122041) 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, 365027580 + ... + 365307481.

It is an arithmetic number, because the mean of its divisors is an integer number (14602319229628).

Almost surely, 2102211122122011 is an apocalyptic number.

102211122122011 is a deficient number, since it is larger than the sum of its proper divisors (14607431715013).

102211122122011 is an equidigital number, since it uses as much as digits as its factorization.

102211122122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730355061.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102211122122011 its reverse (110221221112201), we get a palindrome (212432343234212).

The spelling of 102211122122011 in words is "one hundred two trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, eleven".

Divisors: 1 7 19993 139951 730335061 5112345427 14601588874573 102211122122011