2220100211021 has 32 divisors (see below), whose sum is σ = 2794652098560. Its totient is φ = 1713248913600.

The previous prime is 2220100210997. The next prime is 2220100211027. The reversal of 2220100211021 is 1201120010222.

It is not a de Polignac number, because 2220100211021 - 2⁶ = 2220100210957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2220100210987 and 2220100211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220100211027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27634691 + ... + 27714911.

It is an arithmetic number, because the mean of its divisors is an integer number (87332878080).

Almost surely, 2^{2220100211021} is an apocalyptic number.

It is an amenable number.

2220100211021 is a deficient number, since it is larger than the sum of its proper divisors (574551887539).

2220100211021 is a wasteful number, since it uses less digits than its factorization.

2220100211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83705.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2220100211021 its reverse (1201120010222), we get a palindrome (3421220221243).

The spelling of 2220100211021 in words is "two trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, twenty-one".