120101221220010 has 128 divisors (see below), whose sum is σ = 289699622924544. Its totient is φ = 31865515745280.

The previous prime is 120101221220009. The next prime is 120101221220021. The reversal of 120101221220010 is 10022122101021.

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 63 ways as a sum of consecutive naturals, for example, 25089034837 + ... + 25089039623.

It is an arithmetic number, because the mean of its divisors is an integer number (2263278304098).

Almost surely, 2^{120101221220010} is an apocalyptic number.

120101221220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101221220010 is an abundant number, since it is smaller than the sum of its proper divisors (169598401704534).

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

120101221220010 is a wasteful number, since it uses less digits than its factorization.

120101221220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888.

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

Adding to 120101221220010 its reverse (10022122101021), we get a palindrome (130123343321031).

The spelling of 120101221220010 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty thousand, ten".