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102212211022 = 251106105511
BaseRepresentation
bin101111100110001010…
…0101001000101001110
3100202211100022022021021
41133030110221011032
53133312311223042
6114542230224354
710245625313215
oct1371424510516
9322740268237
10102212211022
113a391145a79
12179867b50ba
13983bc2814c
144d38b9a07c
1529d3569867
hex17cc52914e

102212211022 has 4 divisors (see below), whose sum is σ = 153318316536. Its totient is φ = 51106105510.

The previous prime is 102212211011. The next prime is 102212211047. The reversal of 102212211022 is 220112212201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220112212201 = 731444601743.

It is a junction number, because it is equal to n+sod(n) for n = 102212210987 and 102212211005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553052754 + ... + 25553052757.

It is an arithmetic number, because the mean of its divisors is an integer number (38329579134).

Almost surely, 2102212211022 is an apocalyptic number.

102212211022 is a deficient number, since it is larger than the sum of its proper divisors (51106105514).

102212211022 is an equidigital number, since it uses as much as digits as its factorization.

102212211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51106105513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212211022 its reverse (220112212201), we get a palindrome (322324423223).

The spelling of 102212211022 in words is "one hundred two billion, two hundred twelve million, two hundred eleven thousand, twenty-two".

Divisors: 1 2 51106105511 102212211022