2221102030212 has 96 divisors (see below), whose sum is σ = 6303029496960. Its totient is φ = 672212442240.

The previous prime is 2221102030117. The next prime is 2221102030229. The reversal of 2221102030212 is 2120302011222.

2221102030212 is a `hidden beast` number, since 222 + 110 + 20 + 302 + 12 = 666.

2221102030212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2221102030212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12881418 + ... + 13052705.

It is an arithmetic number, because the mean of its divisors is an integer number (65656557260).

Almost surely, 2^{2221102030212} is an apocalyptic number.

It is an amenable number.

2221102030212 is an abundant number, since it is smaller than the sum of its proper divisors (4081927466748).

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

2221102030212 is a wasteful number, since it uses less digits than its factorization.

2221102030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25934210 (or 25934202 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221102030212 its reverse (2120302011222), we get a palindrome (4341404041434).

The spelling of 2221102030212 in words is "two trillion, two hundred twenty-one billion, one hundred two million, thirty thousand, two hundred twelve".