101211021202100 has 72 divisors (see below), whose sum is σ = 230177729765760. Its totient is φ = 38555115223680.

The previous prime is 101211021202091. The next prime is 101211021202127. The reversal of 101211021202100 is 1202120112101.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 95553632 + ... + 96607031.

Almost surely, 2^{101211021202100} is an apocalyptic number.

101211021202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101211021202100 is an abundant number, since it is smaller than the sum of its proper divisors (128966708563660).

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

101211021202100 is a wasteful number, since it uses less digits than its factorization.

101211021202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192160929 (or 192160922 counting only the distinct ones).

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

Adding to 101211021202100 its reverse (1202120112101), we get a palindrome (102413141314201).

The spelling of 101211021202100 in words is "one hundred one trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, one hundred".