202210101221020 has 24 divisors (see below), whose sum is σ = 424641587028624. Its totient is φ = 80883969161856.

The previous prime is 202210101220991. The next prime is 202210101221057. The reversal of 202210101221020 is 20122101012202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202210101220985 and 202210101221003.

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, 22877139 + ... + 30459541.

It is an arithmetic number, because the mean of its divisors is an integer number (17693399459526).

Almost surely, 2^{202210101221020} is an apocalyptic number.

202210101221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202210101221020 is an abundant number, since it is smaller than the sum of its proper divisors (222431485807604).

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

202210101221020 is a wasteful number, since it uses less digits than its factorization.

202210101221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915829 (or 8915827 counting only the distinct ones).

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

Adding to 202210101221020 its reverse (20122101012202), we get a palindrome (222332202233222).

The spelling of 202210101221020 in words is "two hundred two trillion, two hundred ten billion, one hundred one million, two hundred twenty-one thousand, twenty".