21122002020002 has 32 divisors (see below), whose sum is σ = 34158242764800. Its totient is φ = 9737739917568.

The previous prime is 21122002019933. The next prime is 21122002020019. The reversal of 21122002020002 is 20002020022112.

It is a super-2 number, since 2×21122002020002² (a number of 27 digits) contains 22 as substring.

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, 99002399 + ... + 99215517.

It is an arithmetic number, because the mean of its divisors is an integer number (1067445086400).

Almost surely, 2^{21122002020002} is an apocalyptic number.

21122002020002 is a deficient number, since it is larger than the sum of its proper divisors (13036240744798).

21122002020002 is a wasteful number, since it uses less digits than its factorization.

21122002020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217370.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21122002020002 its reverse (20002020022112), we get a palindrome (41124022042114).

The spelling of 21122002020002 in words is "twenty-one trillion, one hundred twenty-two billion, two million, twenty thousand, two".