101211022010 has 64 divisors (see below), whose sum is σ = 220524353280. Its totient is φ = 32649108480.

The previous prime is 101211021997. The next prime is 101211022039. The reversal of 101211022010 is 10220112101.

It is a junction number, because it is equal to n+sod(n) for n = 101211021982 and 101211022000.

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, 4201781 + ... + 4225799.

It is an arithmetic number, because the mean of its divisors is an integer number (3445693020).

Almost surely, 2^101211022010 is an apocalyptic number.

101211022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211022010 is an abundant number, since it is smaller than the sum of its proper divisors (119313331270).

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

101211022010 is a wasteful number, since it uses less digits than its factorization.

101211022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27591.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101211022010 its reverse (10220112101), we get a palindrome (111431134111).

Subtracting from 101211022010 its reverse (10220112101), we obtain a palindrome (90990909909).

The spelling of 101211022010 in words is "one hundred one billion, two hundred eleven million, twenty-two thousand, ten".