101920201910 has 32 divisors (see below), whose sum is σ = 185309653824. Its totient is φ = 40356400000.

The previous prime is 101920201897. The next prime is 101920201927. The reversal of 101920201910 is 19102029101.

It is a self number, because there is not a number n which added to its sum of digits gives 101920201910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10035335 + ... + 10045485.

It is an arithmetic number, because the mean of its divisors is an integer number (5790926682).

Almost surely, 2^101920201910 is an apocalyptic number.

101920201910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101920201910 is a deficient number, since it is larger than the sum of its proper divisors (83389451914).

101920201910 is a wasteful number, since it uses less digits than its factorization.

101920201910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 101920201910 in words is "one hundred one billion, nine hundred twenty million, two hundred one thousand, nine hundred ten".