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102211122022001 = 112135791149493
BaseRepresentation
bin10111001111010111100001…
…100111101100011001110001
3111101220021202211111022200222
4113033113201213230121301
5101344111334214201001
61001215050301222425
730346336613212406
oct2717274147543161
9441807684438628
10102211122022001
112a627547819983
12b569249b61a15
13450560cca8195
141b3508a9382ad
15bc3b2c36561b
hex5cf5e19ec671

102211122022001 has 4 divisors (see below), whose sum is σ = 102211214292852. Its totient is φ = 102211029751152.

The previous prime is 102211122021991. The next prime is 102211122022021. The reversal of 102211122022001 is 100220221112201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70260874494976 + 31950247527025 = 8382176^2 + 5652455^2 .

It is a cyclic number.

It is not a de Polignac number, because 102211122022001 - 214 = 102211122005617 is a prime.

It is a super-2 number, since 2×1022111220220012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102211122022021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44453390 + ... + 46696103.

It is an arithmetic number, because the mean of its divisors is an integer number (25552803573213).

Almost surely, 2102211122022001 is an apocalyptic number.

It is an amenable number.

102211122022001 is a deficient number, since it is larger than the sum of its proper divisors (92270851).

102211122022001 is an equidigital number, since it uses as much as digits as its factorization.

102211122022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92270850.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102211122022001 its reverse (100220221112201), we get a palindrome (202431343134202).

The spelling of 102211122022001 in words is "one hundred two trillion, two hundred eleven billion, one hundred twenty-two million, twenty-two thousand, one".

Divisors: 1 1121357 91149493 102211122022001