120413221330155 has 64 divisors (see below), whose sum is σ = 221477383572480. Its totient is φ = 55369345651200.

The previous prime is 120413221330147. The next prime is 120413221330163. The reversal of 120413221330155 is 551033122314021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120413221330147) and next prime (120413221330163).

It is not a de Polignac number, because 120413221330155 - 2³ = 120413221330147 is a prime.

It is a super-2 number, since 2×120413221330155² (a number of 29 digits) contains 22 as substring.

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, 228611556 + ... + 229137665.

It is an arithmetic number, because the mean of its divisors is an integer number (3460584118320).

Almost surely, 2^{120413221330155} is an apocalyptic number.

120413221330155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120413221330155 is a deficient number, since it is larger than the sum of its proper divisors (101064162242325).

120413221330155 is a wasteful number, since it uses less digits than its factorization.

120413221330155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457749332.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 120413221330155 its reverse (551033122314021), we get a palindrome (671446343644176).

The spelling of 120413221330155 in words is "one hundred twenty trillion, four hundred thirteen billion, two hundred twenty-one million, three hundred thirty thousand, one hundred fifty-five".