202120221211044 has 48 divisors (see below), whose sum is σ = 493260606720000. Its totient is φ = 64294606124320.

The previous prime is 202120221211043. The next prime is 202120221211187. The reversal of 202120221211044 is 440112122021202.

It is not an unprimeable number, because it can be changed into a prime (202120221211043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849439794 + ... + 849677705.

It is an arithmetic number, because the mean of its divisors is an integer number (10276262640000).

Almost surely, 2^{202120221211044} is an apocalyptic number.

It is an amenable number.

202120221211044 is an abundant number, since it is smaller than the sum of its proper divisors (291140385508956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202120221211044 is a wasteful number, since it uses less digits than its factorization.

202120221211044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699117960 (or 1699117958 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 202120221211044 its reverse (440112122021202), we get a palindrome (642232343232246).

The spelling of 202120221211044 in words is "two hundred two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, forty-four".