2021010111202 has 4 divisors (see below), whose sum is σ = 3031515166806. Its totient is φ = 1010505055600.

The previous prime is 2021010111187. The next prime is 2021010111221. The reversal of 2021010111202 is 2021110101202.

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., 1346688299961 + 674321811241 = 1160469^2 + 821171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505252527799 + ... + 505252527802.

Almost surely, 2^{2021010111202} is an apocalyptic number.

2021010111202 is a deficient number, since it is larger than the sum of its proper divisors (1010505055604).

2021010111202 is a wasteful number, since it uses less digits than its factorization.

2021010111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010505055603.

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

Adding to 2021010111202 its reverse (2021110101202), we get a palindrome (4042120212404).

The spelling of 2021010111202 in words is "two trillion, twenty-one billion, ten million, one hundred eleven thousand, two hundred two".