2021011010122 has 8 divisors (see below), whose sum is σ = 3264710093316. Its totient is φ = 932774312352.

The previous prime is 2021011010113. The next prime is 2021011010219. The reversal of 2021011010122 is 2210101101202.

It can be written as a sum of positive squares in 2 ways, for example, as 1853385454881 + 167625555241 = 1361391^2 + 409421^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 38865596323 + ... + 38865596374.

Almost surely, 2^{2021011010122} is an apocalyptic number.

2021011010122 is a deficient number, since it is larger than the sum of its proper divisors (1243699083194).

2021011010122 is a wasteful number, since it uses less digits than its factorization.

2021011010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77731192712.

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

Adding to 2021011010122 its reverse (2210101101202), we get a palindrome (4231112111324).

The spelling of 2021011010122 in words is "two trillion, twenty-one billion, eleven million, ten thousand, one hundred twenty-two".