102020211111010 has 16 divisors (see below), whose sum is σ = 183640512195000. Its totient is φ = 40807166178816.

The previous prime is 102020211110989. The next prime is 102020211111043. The reversal of 102020211111010 is 10111112020201.

It is a happy number.

102020211111010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85144966124409 + 16875244986601 = 9227403^2 + 4107949^2 .

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, 114316485 + ... + 115205464.

Almost surely, 2^{102020211111010} is an apocalyptic number.

102020211111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020211111010 is a deficient number, since it is larger than the sum of its proper divisors (81620301083990).

102020211111010 is a wasteful number, since it uses less digits than its factorization.

102020211111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229566405.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102020211111010 its reverse (10111112020201), we get a palindrome (112131323131211).

The spelling of 102020211111010 in words is "one hundred two trillion, twenty billion, two hundred eleven million, one hundred eleven thousand, ten".