101012021110 has 256 divisors, whose sum is σ = 252210309120. Its totient is φ = 28113039360.

The previous prime is 101012021087. The next prime is 101012021129. The reversal of 101012021110 is 11120210101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46915794 + ... + 46917946.

It is an arithmetic number, because the mean of its divisors is an integer number (985196520).

Almost surely, 2^101012021110 is an apocalyptic number.

101012021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101012021110 is an abundant number, since it is smaller than the sum of its proper divisors (151198288010).

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

101012021110 is a wasteful number, since it uses less digits than its factorization.

101012021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101012021110 its reverse (11120210101), we get a palindrome (112132231211).

The spelling of 101012021110 in words is "one hundred one billion, twelve million, twenty-one thousand, one hundred ten".