101220100010211 has 72 divisors (see below), whose sum is σ = 170011662760944. Its totient is φ = 53387126956800.

The previous prime is 101220100010207. The next prime is 101220100010251. The reversal of 101220100010211 is 112010001022101.

It is not a de Polignac number, because 101220100010211 - 2² = 101220100010207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220100010251) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 379393161 + ... + 379659861.

It is an arithmetic number, because the mean of its divisors is an integer number (2361273093902).

Almost surely, 2^{101220100010211} is an apocalyptic number.

101220100010211 is a deficient number, since it is larger than the sum of its proper divisors (68791562750733).

101220100010211 is a wasteful number, since it uses less digits than its factorization.

101220100010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282021 (or 282001 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101220100010211 its reverse (112010001022101), we get a palindrome (213230101032312).

It can be divided in two parts, 10 and 1220100010211, that added together give a palindrome (1220100010221).

The spelling of 101220100010211 in words is "one hundred one trillion, two hundred twenty billion, one hundred million, ten thousand, two hundred eleven".