20221111221010 has 16 divisors (see below), whose sum is σ = 41597714511936. Its totient is φ = 6932952418608.

The previous prime is 20221111220957. The next prime is 20221111221023. The reversal of 20221111221010 is 1012211112202.

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, 144436508652 + ... + 144436508791.

It is an arithmetic number, because the mean of its divisors is an integer number (2599857156996).

Almost surely, 2^{20221111221010} is an apocalyptic number.

20221111221010 is an abundant number, since it is smaller than the sum of its proper divisors (21376603290926).

20221111221010 is a wasteful number, since it uses less digits than its factorization.

20221111221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288873017457.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221111221010 its reverse (1012211112202), we get a palindrome (21233322333212).

The spelling of 20221111221010 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, ten".