22220121101010 has 32 divisors (see below), whose sum is σ = 60946617877632. Its totient is φ = 5078884823040.

The previous prime is 22220121100973. The next prime is 22220121101029. The reversal of 22220121101010 is 1010112102222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 52905050031 + ... + 52905050450.

It is an arithmetic number, because the mean of its divisors is an integer number (1904581808676).

Almost surely, 2^{22220121101010} is an apocalyptic number.

22220121101010 is an abundant number, since it is smaller than the sum of its proper divisors (38726496776622).

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

22220121101010 is a wasteful number, since it uses less digits than its factorization.

22220121101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105810100498.

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

Adding to 22220121101010 its reverse (1010112102222), we get a palindrome (23230233203232).

The spelling of 22220121101010 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred one thousand, ten".