102021211201100 has 18 divisors (see below), whose sum is σ = 221386028306604. Its totient is φ = 40808484480400.

The previous prime is 102021211201079. The next prime is 102021211201111. The reversal of 102021211201100 is 1102112120201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510106055906 + ... + 510106056105.

Almost surely, 2^{102021211201100} is an apocalyptic number.

102021211201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102021211201100 is an abundant number, since it is smaller than the sum of its proper divisors (119364817105504).

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

102021211201100 is a wasteful number, since it uses less digits than its factorization.

102021211201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020212112025 (or 1020212112018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102021211201100 its reverse (1102112120201), we get a palindrome (103123323321301).

The spelling of 102021211201100 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, two hundred one thousand, one hundred".