202021111022222 has 16 divisors (see below), whose sum is σ = 307482368659344. Its totient is φ = 99536467800000.

The previous prime is 202021111022201. The next prime is 202021111022233. The reversal of 202021111022222 is 222220111120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021111022194 and 202021111022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369873279 + ... + 2369958522.

It is an arithmetic number, because the mean of its divisors is an integer number (19217648041209).

Almost surely, 2^{202021111022222} is an apocalyptic number.

202021111022222 is a deficient number, since it is larger than the sum of its proper divisors (105461257637122).

202021111022222 is a wasteful number, since it uses less digits than its factorization.

202021111022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739832115.

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

Adding to 202021111022222 its reverse (222220111120202), we get a palindrome (424241222142424).

The spelling of 202021111022222 in words is "two hundred two trillion, twenty-one billion, one hundred eleven million, twenty-two thousand, two hundred twenty-two".