120100200221154 has 16 divisors (see below), whose sum is σ = 247948800456960. Its totient is φ = 38742000071280.

The previous prime is 120100200221153. The next prime is 120100200221233. The reversal of 120100200221154 is 451122002001021.

It is a super-2 number, since 2×120100200221154² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120100200221154.

It is not an unprimeable number, because it can be changed into a prime (120100200221153) 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, 322850000409 + ... + 322850000780.

It is an arithmetic number, because the mean of its divisors is an integer number (15496800028560).

Almost surely, 2^{120100200221154} is an apocalyptic number.

120100200221154 is an abundant number, since it is smaller than the sum of its proper divisors (127848600235806).

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

120100200221154 is a wasteful number, since it uses less digits than its factorization.

120100200221154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645700001225.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 120100200221154 its reverse (451122002001021), we get a palindrome (571222202222175).

The spelling of 120100200221154 in words is "one hundred twenty trillion, one hundred billion, two hundred million, two hundred twenty-one thousand, one hundred fifty-four".