132121131021 has 16 divisors (see below), whose sum is σ = 213529101120. Its totient is φ = 80073412560.

The previous prime is 132121131017. The next prime is 132121131053. The reversal of 132121131021 is 120131121231.

132121131021 is a `hidden beast` number, since 1 + 321 + 2 + 11 + 310 + 21 = 666.

It is not a de Polignac number, because 132121131021 - 2² = 132121131017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132121130985 and 132121131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132121131061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222425850 + ... + 222426443.

It is an arithmetic number, because the mean of its divisors is an integer number (13345568820).

Almost surely, 2^132121131021 is an apocalyptic number.

132121131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132121131021 is a deficient number, since it is larger than the sum of its proper divisors (81407970099).

132121131021 is a wasteful number, since it uses less digits than its factorization.

132121131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444852313 (or 444852307 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 132121131021 its reverse (120131121231), we get a palindrome (252252252252).

The spelling of 132121131021 in words is "one hundred thirty-two billion, one hundred twenty-one million, one hundred thirty-one thousand, twenty-one".