101011111210120 has 32 divisors (see below), whose sum is σ = 229618041471000. Its totient is φ = 39987903817728.

The previous prime is 101011111210117. The next prime is 101011111210129. The reversal of 101011111210120 is 21012111110101.

It can be written as a sum of positive squares in 4 ways, for example, as 94330674910404 + 6680436299716 = 9712398^2 + 2584654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101011111210120.

It is not an unprimeable number, because it can be changed into a prime (101011111210129) 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, 13016891895 + ... + 13016899654.

Almost surely, 2^{101011111210120} is an apocalyptic number.

101011111210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011111210120 is an abundant number, since it is smaller than the sum of its proper divisors (128606930260880).

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

101011111210120 is a wasteful number, since it uses less digits than its factorization.

101011111210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26033791657 (or 26033791653 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101011111210120 its reverse (21012111110101), we get a palindrome (122023222320221).

The spelling of 101011111210120 in words is "one hundred one trillion, eleven billion, one hundred eleven million, two hundred ten thousand, one hundred twenty".