220101012121022 has 4 divisors (see below), whose sum is σ = 330151518181536. Its totient is φ = 110050506060510.

The previous prime is 220101012121013. The next prime is 220101012121099. The reversal of 220101012121022 is 220121210101022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55025253030254 + ... + 55025253030257.

It is an arithmetic number, because the mean of its divisors is an integer number (82537879545384).

Almost surely, 2^{220101012121022} is an apocalyptic number.

220101012121022 is a deficient number, since it is larger than the sum of its proper divisors (110050506060514).

220101012121022 is a wasteful number, since it uses less digits than its factorization.

220101012121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110050506060513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220101012121022 its reverse (220121210101022), we get a palindrome (440222222222044).

The spelling of 220101012121022 in words is "two hundred twenty trillion, one hundred one billion, twelve million, one hundred twenty-one thousand, twenty-two".