20021122102010 has 16 divisors (see below), whose sum is σ = 36057219614856. Its totient is φ = 8004182211648.

The previous prime is 20021122101961. The next prime is 20021122102063. The reversal of 20021122102010 is 1020122112002.

It can be written as a sum of positive squares in 4 ways, for example, as 15541579482961 + 4479542619049 = 3942281^2 + 2116493^2 .

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, 533308937 + ... + 533346476.

Almost surely, 2^{20021122102010} is an apocalyptic number.

20021122102010 is a deficient number, since it is larger than the sum of its proper divisors (16036097512846).

20021122102010 is a wasteful number, since it uses less digits than its factorization.

20021122102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066657297.

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

Adding to 20021122102010 its reverse (1020122112002), we get a palindrome (21041244214012).

The spelling of 20021122102010 in words is "twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred two thousand, ten".