101211020021210 has 64 divisors (see below), whose sum is σ = 209204001676800. Its totient is φ = 34866574920000.

The previous prime is 101211020021207. The next prime is 101211020021219. The reversal of 101211020021210 is 12120020112101.

It is not an unprimeable number, because it can be changed into a prime (101211020021219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247709585 + ... + 248117835.

It is an arithmetic number, because the mean of its divisors is an integer number (3268812526200).

Almost surely, 2^{101211020021210} is an apocalyptic number.

101211020021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211020021210 is an abundant number, since it is smaller than the sum of its proper divisors (107992981655590).

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

101211020021210 is a wasteful number, since it uses less digits than its factorization.

101211020021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526907.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101211020021210 its reverse (12120020112101), we get a palindrome (113331040133311).

The spelling of 101211020021210 in words is "one hundred one trillion, two hundred eleven billion, twenty million, twenty-one thousand, two hundred ten".