121131001002310 has 32 divisors (see below), whose sum is σ = 245016820762560. Its totient is φ = 42780714734208.

The previous prime is 121131001002299. The next prime is 121131001002317. The reversal of 121131001002310 is 13200100131121.

It is a happy number.

It is a super-2 number, since 2×121131001002310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131001002317) 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, 20256017245 + ... + 20256023224.

It is an arithmetic number, because the mean of its divisors is an integer number (7656775648830).

Almost surely, 2^{121131001002310} is an apocalyptic number.

121131001002310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131001002310 is an abundant number, since it is smaller than the sum of its proper divisors (123885819760250).

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

121131001002310 is a wasteful number, since it uses less digits than its factorization.

121131001002310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40512040512.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121131001002310 its reverse (13200100131121), we get a palindrome (134331101133431).

The spelling of 121131001002310 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, one million, two thousand, three hundred ten".