201210011121000 has 128 divisors (see below), whose sum is σ = 717457411157760. Its totient is φ = 45990859680000.

The previous prime is 201210011120977. The next prime is 201210011121043. The reversal of 201210011121000 is 121110012102.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 4790693551 + ... + 4790735550.

It is an arithmetic number, because the mean of its divisors is an integer number (5605136024670).

Almost surely, 2^{201210011121000} is an apocalyptic number.

201210011121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210011121000 is an abundant number, since it is smaller than the sum of its proper divisors (516247400036760).

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

201210011121000 is a wasteful number, since it uses less digits than its factorization.

201210011121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581429132 (or 9581429118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201210011121000 its reverse (121110012102), we get a palindrome (201331121133102).

The spelling of 201210011121000 in words is "two hundred one trillion, two hundred ten billion, eleven million, one hundred twenty-one thousand".