101211001010 has 64 divisors (see below), whose sum is σ = 219218227200. Its totient is φ = 32866368192.

The previous prime is 101211001007. The next prime is 101211001069. The reversal of 101211001010 is 10100112101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7684811 + ... + 7697969.

It is an arithmetic number, because the mean of its divisors is an integer number (3425284800).

Almost surely, 2^101211001010 is an apocalyptic number.

101211001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211001010 is an abundant number, since it is smaller than the sum of its proper divisors (118007226190).

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

101211001010 is a wasteful number, since it uses less digits than its factorization.

101211001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101211001010 its reverse (10100112101), we get a palindrome (111311113111).

The spelling of 101211001010 in words is "one hundred one billion, two hundred eleven million, one thousand, ten".