101021001211100 has 18 divisors (see below), whose sum is σ = 219215572628304. Its totient is φ = 40408400484400.

The previous prime is 101021001211061. The next prime is 101021001211217. The reversal of 101021001211100 is 1112100120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505105005956 + ... + 505105006155.

Almost surely, 2^{101021001211100} is an apocalyptic number.

101021001211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021001211100 is an abundant number, since it is smaller than the sum of its proper divisors (118194571417204).

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

101021001211100 is a wasteful number, since it uses less digits than its factorization.

101021001211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010210012125 (or 1010210012118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101021001211100 its reverse (1112100120101), we get a palindrome (102133101331201).

It can be divided in two parts, 101021001 and 211100, that added together give a palindrome (101232101).

The spelling of 101021001211100 in words is "one hundred one trillion, twenty-one billion, one million, two hundred eleven thousand, one hundred".