101212020021211 has 16 divisors (see below), whose sum is σ = 116230316492160. Its totient is φ = 87163756447680.

The previous prime is 101212020021149. The next prime is 101212020021223. The reversal of 101212020021211 is 112120020212101.

It is not a de Polignac number, because 101212020021211 - 2²⁵ = 101211986466779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212020028211) 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, 8403546 + ... + 16524031.

It is an arithmetic number, because the mean of its divisors is an integer number (7264394780760).

Almost surely, 2^{101212020021211} is an apocalyptic number.

101212020021211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101212020021211 is a deficient number, since it is larger than the sum of its proper divisors (15018296470949).

101212020021211 is a wasteful number, since it uses less digits than its factorization.

101212020021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24947034.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101212020021211 its reverse (112120020212101), we get a palindrome (213332040233312).

The spelling of 101212020021211 in words is "one hundred one trillion, two hundred twelve billion, twenty million, twenty-one thousand, two hundred eleven".