20021022101102 has 16 divisors (see below), whose sum is σ = 33560737714224. Its totient is φ = 8878502040000.

The previous prime is 20021022101083. The next prime is 20021022101111. The reversal of 20021022101102 is 20110122012002.

It is a super-2 number, since 2×20021022101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 11098126649 + ... + 11098128452.

It is an arithmetic number, because the mean of its divisors is an integer number (2097546107139).

Almost surely, 2^{20021022101102} is an apocalyptic number.

20021022101102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021022101102 is a deficient number, since it is larger than the sum of its proper divisors (13539715613122).

20021022101102 is a wasteful number, since it uses less digits than its factorization.

20021022101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22196255155.

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

Adding to 20021022101102 its reverse (20110122012002), we get a palindrome (40131144113104).

The spelling of 20021022101102 in words is "twenty trillion, twenty-one billion, twenty-two million, one hundred one thousand, one hundred two".