2021111200202 has 4 divisors (see below), whose sum is σ = 3031666800306. Its totient is φ = 1010555600100.

The previous prime is 2021111200189. The next prime is 2021111200223. The reversal of 2021111200202 is 2020021111202.

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., 1753397057281 + 267714142921 = 1324159^2 + 517411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505277800049 + ... + 505277800052.

Almost surely, 2^{2021111200202} is an apocalyptic number.

2021111200202 is a deficient number, since it is larger than the sum of its proper divisors (1010555600104).

2021111200202 is a wasteful number, since it uses less digits than its factorization.

2021111200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010555600103.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021111200202 its reverse (2020021111202), we get a palindrome (4041132311404).

The spelling of 2021111200202 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred thousand, two hundred two".