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211102120121210 = 2521110212012121
BaseRepresentation
bin101111111111111100001010…
…111000011001001101111010
31000200110011110201022101200022
4233333330022320121031322
5210132144120222334320
62024550550345410442
762315424221306063
oct5777741270311572
91020404421271608
10211102120121210
11612999a742984a
121b815008a99a22
1390a3ac9506b56
143a1b57ba2356a
1519613b5b72325
hexbfff0ae1937a

211102120121210 has 8 divisors (see below), whose sum is σ = 379983816218196. Its totient is φ = 84440848048480.

The previous prime is 211102120121203. The next prime is 211102120121231. The reversal of 211102120121210 is 12121021201112.

It can be written as a sum of positive squares in 2 ways, for example, as 207384855144769 + 3717264976441 = 14400863^2 + 1928021^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555106006051 + ... + 10555106006070.

Almost surely, 2211102120121210 is an apocalyptic number.

211102120121210 is a deficient number, since it is larger than the sum of its proper divisors (168881696096986).

211102120121210 is a wasteful number, since it uses less digits than its factorization.

211102120121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110212012128.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102120121210 its reverse (12121021201112), we get a palindrome (223223141322322).

The spelling of 211102120121210 in words is "two hundred eleven trillion, one hundred two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 21110212012121 42220424024242 105551060060605 211102120121210