201021020202022 has 32 divisors (see below), whose sum is σ = 311300062472448. Its totient is φ = 97307581309536.

The previous prime is 201021020202001. The next prime is 201021020202047. The reversal of 201021020202022 is 220202020120102.

It is a junction number, because it is equal to n+sod(n) for n = 201021020201987 and 201021020202005.

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, 6640468 + ... + 21121975.

It is an arithmetic number, because the mean of its divisors is an integer number (9728126952264).

Almost surely, 2^{201021020202022} is an apocalyptic number.

201021020202022 is a deficient number, since it is larger than the sum of its proper divisors (110279042270426).

201021020202022 is a wasteful number, since it uses less digits than its factorization.

201021020202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27763404.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201021020202022 its reverse (220202020120102), we get a palindrome (421223040322124).

The spelling of 201021020202022 in words is "two hundred one trillion, twenty-one billion, twenty million, two hundred two thousand, twenty-two".