102000021022010 has 16 divisors (see below), whose sum is σ = 183674279711016. Its totient is φ = 40783510215168.

The previous prime is 102000021021989. The next prime is 102000021022099. The reversal of 102000021022010 is 10220120000201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101972613226201 + 27407795809 = 10098149^2 + 165553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102000021021982 and 102000021022000.

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, 2062248239 + ... + 2062297698.

Almost surely, 2^{102000021022010} is an apocalyptic number.

102000021022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102000021022010 is a deficient number, since it is larger than the sum of its proper divisors (81674258689006).

102000021022010 is a wasteful number, since it uses less digits than its factorization.

102000021022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124548417.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102000021022010 its reverse (10220120000201), we get a palindrome (112220141022211).

The spelling of 102000021022010 in words is "one hundred two trillion, twenty-one million, twenty-two thousand, ten".