2211021010212 has 48 divisors (see below), whose sum is σ = 5976823934592. Its totient is φ = 623066584320.

The previous prime is 2211021010193. The next prime is 2211021010241. The reversal of 2211021010212 is 2120101201122.

It is a super-2 number, since 2×2211021010212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211021010191 and 2211021010200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180279339 + ... + 180291602.

It is an arithmetic number, because the mean of its divisors is an integer number (124517165304).

Almost surely, 2^{2211021010212} is an apocalyptic number.

It is an amenable number.

2211021010212 is an abundant number, since it is smaller than the sum of its proper divisors (3765802924380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211021010212 is a wasteful number, since it uses less digits than its factorization.

2211021010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360571028 (or 360571026 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211021010212 its reverse (2120101201122), we get a palindrome (4331122211334).

The spelling of 2211021010212 in words is "two trillion, two hundred eleven billion, twenty-one million, ten thousand, two hundred twelve".