21020022110010 has 64 divisors (see below), whose sum is σ = 62896273956864. Its totient is φ = 4367796801600.

The previous prime is 21020022109997. The next prime is 21020022110023. The reversal of 21020022110010 is 1001122002012.

It is an interprime number because it is at equal distance from previous prime (21020022109997) and next prime (21020022110023).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4549786026 + ... + 4549790645.

It is an arithmetic number, because the mean of its divisors is an integer number (982754280576).

Almost surely, 2^{21020022110010} is an apocalyptic number.

21020022110010 is an abundant number, since it is smaller than the sum of its proper divisors (41876251846854).

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

21020022110010 is a wasteful number, since it uses less digits than its factorization.

21020022110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099576699.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21020022110010 its reverse (1001122002012), we get a palindrome (22021144112022).

The spelling of 21020022110010 in words is "twenty-one trillion, twenty billion, twenty-two million, one hundred ten thousand, ten".