202001121021022 has 4 divisors (see below), whose sum is σ = 303001681531536. Its totient is φ = 101000560510510.

The previous prime is 202001121020981. The next prime is 202001121021059. The reversal of 202001121021022 is 220120121100202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×202001121021022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202001121020987 and 202001121021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500280255254 + ... + 50500280255257.

It is an arithmetic number, because the mean of its divisors is an integer number (75750420382884).

Almost surely, 2^{202001121021022} is an apocalyptic number.

202001121021022 is a deficient number, since it is larger than the sum of its proper divisors (101000560510514).

202001121021022 is a wasteful number, since it uses less digits than its factorization.

202001121021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000560510513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202001121021022 its reverse (220120121100202), we get a palindrome (422121242121224).

The spelling of 202001121021022 in words is "two hundred two trillion, one billion, one hundred twenty-one million, twenty-one thousand, twenty-two".