210100100001122 has 4 divisors (see below), whose sum is σ = 315150150001686. Its totient is φ = 105050050000560.

The previous prime is 210100100001013. The next prime is 210100100001137. The reversal of 210100100001122 is 221100001001012.

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., 131102293900081 + 78997806101041 = 11449991^2 + 8888071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525025000279 + ... + 52525025000282.

Almost surely, 2^{210100100001122} is an apocalyptic number.

210100100001122 is a deficient number, since it is larger than the sum of its proper divisors (105050050000564).

210100100001122 is a wasteful number, since it uses less digits than its factorization.

210100100001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105050050000563.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210100100001122 its reverse (221100001001012), we get a palindrome (431200101002134).

The spelling of 210100100001122 in words is "two hundred ten trillion, one hundred billion, one hundred million, one thousand, one hundred twenty-two".