121010311020311 has 8 divisors (see below), whose sum is σ = 121382179152864. Its totient is φ = 120639012802560.

The previous prime is 121010311020289. The next prime is 121010311020329. The reversal of 121010311020311 is 113020113010121.

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 121010311020311 - 2¹⁸ = 121010310758167 is a prime.

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 121010311020311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010311022311) 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, 142053386 + ... + 142902711.

It is an arithmetic number, because the mean of its divisors is an integer number (15172772394108).

Almost surely, 2^{121010311020311} is an apocalyptic number.

121010311020311 is a deficient number, since it is larger than the sum of its proper divisors (371868132553).

121010311020311 is an equidigital number, since it uses as much as digits as its factorization.

121010311020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284957401.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 121010311020311 its reverse (113020113010121), we get a palindrome (234030424030432).

The spelling of 121010311020311 in words is "one hundred twenty-one trillion, ten billion, three hundred eleven million, twenty thousand, three hundred eleven".