220201001000122 has 4 divisors (see below), whose sum is σ = 330301501500186. Its totient is φ = 110100500500060.

The previous prime is 220201001000111. The next prime is 220201001000137. The reversal of 220201001000122 is 221000100102022.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 211050261049761 + 9150739950361 = 14527569^2 + 3025019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050250250029 + ... + 55050250250032.

Almost surely, 2^{220201001000122} is an apocalyptic number.

220201001000122 is a deficient number, since it is larger than the sum of its proper divisors (110100500500064).

220201001000122 is a wasteful number, since it uses less digits than its factorization.

220201001000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100500500063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220201001000122 its reverse (221000100102022), we get a palindrome (441201101102144).

The spelling of 220201001000122 in words is "two hundred twenty trillion, two hundred one billion, one million, one hundred twenty-two", and thus it is an aban number.