121311120001010 has 8 divisors (see below), whose sum is σ = 218360016001836. Its totient is φ = 48524448000400.

The previous prime is 121311120001007. The next prime is 121311120001031. The reversal of 121311120001010 is 10100021113121.

It can be written as a sum of positive squares in 2 ways, for example, as 120489238144081 + 821881856929 = 10976759^2 + 906577^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6065556000041 + ... + 6065556000060.

Almost surely, 2^{121311120001010} is an apocalyptic number.

121311120001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311120001010 is a deficient number, since it is larger than the sum of its proper divisors (97048896000826).

121311120001010 is a wasteful number, since it uses less digits than its factorization.

121311120001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131112000108.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121311120001010 its reverse (10100021113121), we get a palindrome (131411141114131).

The spelling of 121311120001010 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred twenty million, one thousand, ten".