2101010021122 has 8 divisors (see below), whose sum is σ = 3260187963900. Its totient is φ = 1014280699824.

The previous prime is 2101010021069. The next prime is 2101010021179. The reversal of 2101010021122 is 2211200101012.

It can be written as a sum of positive squares in 2 ways, for example, as 2013677359681 + 87332661441 = 1419041^2 + 295521^2 .

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

It is a super-2 number, since 2×2101010021122² (a number of 25 digits) contains 22 as substring.

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, 18112155297 + ... + 18112155412.

Almost surely, 2^{2101010021122} is an apocalyptic number.

2101010021122 is a deficient number, since it is larger than the sum of its proper divisors (1159177942778).

2101010021122 is a wasteful number, since it uses less digits than its factorization.

2101010021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36224310740.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101010021122 its reverse (2211200101012), we get a palindrome (4312210122134).

The spelling of 2101010021122 in words is "two trillion, one hundred one billion, ten million, twenty-one thousand, one hundred twenty-two".