20221121210 has 32 divisors (see below), whose sum is σ = 36720490752. Its totient is φ = 8017027200.

The previous prime is 20221121197. The next prime is 20221121231. The reversal of 20221121210 is 1212112202.

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, 675419 + ... + 704721.

It is an arithmetic number, because the mean of its divisors is an integer number (1147515336).

Almost surely, 2^20221121210 is an apocalyptic number.

20221121210 is a deficient number, since it is larger than the sum of its proper divisors (16499369542).

20221121210 is a wasteful number, since it uses less digits than its factorization.

20221121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29918.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221121210 its reverse (1212112202), we get a palindrome (21433233412).

The spelling of 20221121210 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred ten".