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102211111110202 = 251105555555101
BaseRepresentation
bin10111001111010111100000…
…111110000100011000111010
3111101220021202001221221112021
4113033113200332010120322
5101344111323421011302
61001215045231305054
730346336421364523
oct2717274076043072
9441807661857467
10102211111110202
112a627541646766
12b56924637b18a
13450560a9575b3
141b350892d784a
15bc3b2b40c437
hex5cf5e0f8463a

102211111110202 has 4 divisors (see below), whose sum is σ = 153316666665306. Its totient is φ = 51105555555100.

The previous prime is 102211111110179. The next prime is 102211111110203. The reversal of 102211111110202 is 202011111112201.

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

It can be written as a sum of positive squares in only one way, i.e., 92084962480281 + 10126148629921 = 9596091^2 + 3182161^2 .

It is a super-2 number, since 2×1022111111102022 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102211111110203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552777777549 + ... + 25552777777552.

Almost surely, 2102211111110202 is an apocalyptic number.

102211111110202 is a deficient number, since it is larger than the sum of its proper divisors (51105555555104).

102211111110202 is an equidigital number, since it uses as much as digits as its factorization.

102211111110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51105555555103.

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

Adding to 102211111110202 its reverse (202011111112201), we get a palindrome (304222222222403).

The spelling of 102211111110202 in words is "one hundred two trillion, two hundred eleven billion, one hundred eleven million, one hundred ten thousand, two hundred two".

Divisors: 1 2 51105555555101 102211111110202