202120211022122 has 32 divisors (see below), whose sum is σ = 311733602901504. Its totient is φ = 98227430697600.

The previous prime is 202120211022071. The next prime is 202120211022127. The reversal of 202120211022122 is 221220112021202.

202120211022122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202120211022094 and 202120211022103.

It is not an unprimeable number, because it can be changed into a prime (202120211022127) 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, 591978968 + ... + 592320300.

It is an arithmetic number, because the mean of its divisors is an integer number (9741675090672).

Almost surely, 2^{202120211022122} is an apocalyptic number.

202120211022122 is a deficient number, since it is larger than the sum of its proper divisors (109613391879382).

202120211022122 is a wasteful number, since it uses less digits than its factorization.

202120211022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368294.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202120211022122 its reverse (221220112021202), we get a palindrome (423340323043324).

The spelling of 202120211022122 in words is "two hundred two trillion, one hundred twenty billion, two hundred eleven million, twenty-two thousand, one hundred twenty-two".