101202220002100 has 72 divisors (see below), whose sum is σ = 250992593223680. Its totient is φ = 34696371150720.

The previous prime is 101202220002073. The next prime is 101202220002109. The reversal of 101202220002100 is 1200022202101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202220002109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12719821 + ... + 19083979.

Almost surely, 2^{101202220002100} is an apocalyptic number.

101202220002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101202220002100 is an abundant number, since it is smaller than the sum of its proper divisors (149790373221580).

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

101202220002100 is a wasteful number, since it uses less digits than its factorization.

101202220002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386897 (or 6386890 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101202220002100 its reverse (1200022202101), we get a palindrome (102402242204201).

The spelling of 101202220002100 in words is "one hundred one trillion, two hundred two billion, two hundred twenty million, two thousand, one hundred".