101210201100 has 54 divisors (see below), whose sum is σ = 317237755380. Its totient is φ = 26989386720.

The previous prime is 101210201093. The next prime is 101210201111. The reversal of 101210201100 is 1102012101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56226990 + ... + 56228789.

Almost surely, 2^101210201100 is an apocalyptic number.

101210201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210201100 is an abundant number, since it is smaller than the sum of its proper divisors (216027554280).

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

101210201100 is a wasteful number, since it uses less digits than its factorization.

101210201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112455799 (or 112455789 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101210201100 its reverse (1102012101), we get a palindrome (102312213201).

The spelling of 101210201100 in words is "one hundred one billion, two hundred ten million, two hundred one thousand, one hundred".