121012021132111 has 8 divisors (see below), whose sum is σ = 123114844913040. Its totient is φ = 118910923103808.

The previous prime is 121012021132003. The next prime is 121012021132139. The reversal of 121012021132111 is 111231120210121.

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 121012021132111 - 2³⁷ = 120874582178639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012021532111) 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, 431296696 + ... + 431577181.

It is an arithmetic number, because the mean of its divisors is an integer number (15389355614130).

Almost surely, 2^{121012021132111} is an apocalyptic number.

121012021132111 is a deficient number, since it is larger than the sum of its proper divisors (2102823780929).

121012021132111 is an equidigital number, since it uses as much as digits as its factorization.

121012021132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862876313.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 121012021132111 its reverse (111231120210121), we get a palindrome (232243141342232).

The spelling of 121012021132111 in words is "one hundred twenty-one trillion, twelve billion, twenty-one million, one hundred thirty-two thousand, one hundred eleven".