121210120111983 has 8 divisors (see below), whose sum is σ = 184701135408768. Its totient is φ = 69262925778264.

The previous prime is 121210120111981. The next prime is 121210120112009. The reversal of 121210120111983 is 389111021012121.

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

It is not a de Polignac number, because 121210120111983 - 2¹ = 121210120111981 is a prime.

It is a super-2 number, since 2×121210120111983² (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 (121210120111981) 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, 2885955240741 + ... + 2885955240782.

It is an arithmetic number, because the mean of its divisors is an integer number (23087641926096).

Almost surely, 2^{121210120111983} is an apocalyptic number.

121210120111983 is a deficient number, since it is larger than the sum of its proper divisors (63491015296785).

121210120111983 is an equidigital number, since it uses as much as digits as its factorization.

121210120111983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771910481533.

The product of its (nonzero) digits is 1728, while the sum is 33.

The spelling of 121210120111983 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, one hundred eleven thousand, nine hundred eighty-three".