901200121121222 has 16 divisors (see below), whose sum is σ = 1456803554846640. Its totient is φ = 415647447782112.

The previous prime is 901200121121213. The next prime is 901200121121233. The reversal of 901200121121222 is 222121121002109.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 901200121121191 and 901200121121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12127864568 + ... + 12127938875.

It is an arithmetic number, because the mean of its divisors is an integer number (91050222177915).

Almost surely, 2^{901200121121222} is an apocalyptic number.

901200121121222 is a deficient number, since it is larger than the sum of its proper divisors (555603433725418).

901200121121222 is a wasteful number, since it uses less digits than its factorization.

901200121121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24255804887.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 901200121121222 in words is "nine hundred one trillion, two hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".