133021253400121 has 8 divisors (see below), whose sum is σ = 138805409182464. Its totient is φ = 127237149536640.

The previous prime is 133021253400083. The next prime is 133021253400181. The reversal of 133021253400121 is 121004352120331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133021253400121 - 2⁹ = 133021253399609 is a prime.

It is a super-2 number, since 2×133021253400121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133021253400121.

It is not an unprimeable number, because it can be changed into a prime (133021253400181) 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, 7698385 + ... + 18036286.

It is an arithmetic number, because the mean of its divisors is an integer number (17350676147808).

Almost surely, 2^{133021253400121} is an apocalyptic number.

It is an amenable number.

133021253400121 is a deficient number, since it is larger than the sum of its proper divisors (5784155782343).

133021253400121 is a wasteful number, since it uses less digits than its factorization.

133021253400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25959431.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 133021253400121 in words is "one hundred thirty-three trillion, twenty-one billion, two hundred fifty-three million, four hundred thousand, one hundred twenty-one".