1201101231120 has 160 divisors (see below), whose sum is σ = 4255649144832. Its totient is φ = 274516839936.

The previous prime is 1201101231101. The next prime is 1201101231131. The reversal of 1201101231120 is 211321011021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1201101231120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41889909 + ... + 41918571.

Almost surely, 2^{1201101231120} is an apocalyptic number.

1201101231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201101231120 is an abundant number, since it is smaller than the sum of its proper divisors (3054547913712).

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

1201101231120 is a wasteful number, since it uses less digits than its factorization.

1201101231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53629 (or 53623 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1201101231120 its reverse (211321011021), we get a palindrome (1412422242141).

The spelling of 1201101231120 in words is "one trillion, two hundred one billion, one hundred one million, two hundred thirty-one thousand, one hundred twenty".