2211212220010 has 8 divisors (see below), whose sum is σ = 3980181996036. Its totient is φ = 884484888000.

The previous prime is 2211212220001. The next prime is 2211212220023. The reversal of 2211212220010 is 100222121122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2136967414569 + 74244805441 = 1461837^2 + 272479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110560610991 + ... + 110560611010.

Almost surely, 2^{2211212220010} is an apocalyptic number.

2211212220010 is a deficient number, since it is larger than the sum of its proper divisors (1768969776026).

2211212220010 is a wasteful number, since it uses less digits than its factorization.

2211212220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221121222008.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211212220010 its reverse (100222121122), we get a palindrome (2311434341132).

The spelling of 2211212220010 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty thousand, ten".