101020121101210 has 32 divisors (see below), whose sum is σ = 187892851018752. Its totient is φ = 39064782051840.

The previous prime is 101020121101169. The next prime is 101020121101219. The reversal of 101020121101210 is 12101121020101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101020121101219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165448759 + ... + 166058218.

It is an arithmetic number, because the mean of its divisors is an integer number (5871651594336).

Almost surely, 2^{101020121101210} is an apocalyptic number.

101020121101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101020121101210 is a deficient number, since it is larger than the sum of its proper divisors (86872729917542).

101020121101210 is a wasteful number, since it uses less digits than its factorization.

101020121101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331507998.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101020121101210 its reverse (12101121020101), we get a palindrome (113121242121311).

The spelling of 101020121101210 in words is "one hundred one trillion, twenty billion, one hundred twenty-one million, one hundred one thousand, two hundred ten".