1220022102211 has 12 divisors (see below), whose sum is σ = 1341480915376. Its totient is φ = 1108726510320.

The previous prime is 1220022102197. The next prime is 1220022102239. The reversal of 1220022102211 is 1122012200221.

It is a happy number.

It is not a de Polignac number, because 1220022102211 - 2¹⁵ = 1220022069443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220022102011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1396920 + ... + 2095573.

Almost surely, 2^{1220022102211} is an apocalyptic number.

1220022102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220022102211 is a deficient number, since it is larger than the sum of its proper divisors (121458813165).

1220022102211 is a wasteful number, since it uses less digits than its factorization.

1220022102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495402 (or 3495391 counting only the distinct ones).

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

Adding to 1220022102211 its reverse (1122012200221), we get a palindrome (2342034302432).

The spelling of 1220022102211 in words is "one trillion, two hundred twenty billion, twenty-two million, one hundred two thousand, two hundred eleven".