101020121212211 has 16 divisors (see below), whose sum is σ = 102345923496960. Its totient is φ = 99702740592000.

The previous prime is 101020121212141. The next prime is 101020121212267. The reversal of 101020121212211 is 112212121020101.

It is a cyclic number.

It is not a de Polignac number, because 101020121212211 - 2²² = 101020117017907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101020121212211.

It is not an unprimeable number, because it can be changed into a prime (101020121212271) 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, 191607461 + ... + 192133961.

It is an arithmetic number, because the mean of its divisors is an integer number (6396620218560).

Almost surely, 2^{101020121212211} is an apocalyptic number.

101020121212211 is a deficient number, since it is larger than the sum of its proper divisors (1325802284749).

101020121212211 is a wasteful number, since it uses less digits than its factorization.

101020121212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534494.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101020121212211 its reverse (112212121020101), we get a palindrome (213232242232312).

The spelling of 101020121212211 in words is "one hundred one trillion, twenty billion, one hundred twenty-one million, two hundred twelve thousand, two hundred eleven".