2021131100222 has 32 divisors (see below), whose sum is σ = 3300883370400. Its totient is φ = 922581249408.

The previous prime is 2021131100173. The next prime is 2021131100279. The reversal of 2021131100222 is 2220011311202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021131100222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898304 + ... + 2202092.

It is an arithmetic number, because the mean of its divisors is an integer number (103152605325).

Almost surely, 2^{2021131100222} is an apocalyptic number.

2021131100222 is a deficient number, since it is larger than the sum of its proper divisors (1279752270178).

2021131100222 is a wasteful number, since it uses less digits than its factorization.

2021131100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304460.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2021131100222 its reverse (2220011311202), we get a palindrome (4241142411424).

The spelling of 2021131100222 in words is "two trillion, twenty-one billion, one hundred thirty-one million, one hundred thousand, two hundred twenty-two".