101209019802 has 16 divisors (see below), whose sum is σ = 220819679712. Its totient is φ = 30669399920.

The previous prime is 101209019797. The next prime is 101209019819. The reversal of 101209019802 is 208910902101.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766734933 + ... + 766735064.

It is an arithmetic number, because the mean of its divisors is an integer number (13801229982).

Almost surely, 2^101209019802 is an apocalyptic number.

101209019802 is an abundant number, since it is smaller than the sum of its proper divisors (119610659910).

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

101209019802 is a wasteful number, since it uses less digits than its factorization.

101209019802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533470013.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 101209019802 in words is "one hundred one billion, two hundred nine million, nineteen thousand, eight hundred two".