1220220102011 has 8 divisors (see below), whose sum is σ = 1224436405920. Its totient is φ = 1216004150592.

The previous prime is 1220220101987. The next prime is 1220220102019. The reversal of 1220220102011 is 1102010220221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220220102011 - 2²² = 1220215907707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220220102019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8183735 + ... + 8331503.

It is an arithmetic number, because the mean of its divisors is an integer number (153054550740).

Almost surely, 2^{1220220102011} is an apocalyptic number.

1220220102011 is a deficient number, since it is larger than the sum of its proper divisors (4216303909).

1220220102011 is a wasteful number, since it uses less digits than its factorization.

1220220102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176245.

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

Adding to 1220220102011 its reverse (1102010220221), we get a palindrome (2322230322232).

It can be divided in two parts, 1220220 and 102011, that added together give a palindrome (1322231).

The spelling of 1220220102011 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred two thousand, eleven".