120021011211101 has 64 divisors (see below), whose sum is σ = 161647149920256. Its totient is φ = 86061319948800.

The previous prime is 120021011211097. The next prime is 120021011211103. The reversal of 120021011211101 is 101112110120021.

It is not a de Polignac number, because 120021011211101 - 2² = 120021011211097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021011211103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 424535945 + ... + 424818561.

It is an arithmetic number, because the mean of its divisors is an integer number (2525736717504).

Almost surely, 2^{120021011211101} is an apocalyptic number.

120021011211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120021011211101 is a deficient number, since it is larger than the sum of its proper divisors (41626138709155).

120021011211101 is a wasteful number, since it uses less digits than its factorization.

120021011211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283962.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120021011211101 its reverse (101112110120021), we get a palindrome (221133121331122).

The spelling of 120021011211101 in words is "one hundred twenty trillion, twenty-one billion, eleven million, two hundred eleven thousand, one hundred one".