121201212111190 has 16 divisors (see below), whose sum is σ = 218205305469360. Its totient is φ = 48470901806880.

The previous prime is 121201212111167. The next prime is 121201212111191. The reversal of 121201212111190 is 91111212102121.

It is a super-2 number, since 2×121201212111190² (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 (121201212111191) 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, 1197826581 + ... + 1197927760.

It is an arithmetic number, because the mean of its divisors is an integer number (13637831591835).

Almost surely, 2^{121201212111190} is an apocalyptic number.

121201212111190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201212111190 is a deficient number, since it is larger than the sum of its proper divisors (97004093358170).

121201212111190 is a wasteful number, since it uses less digits than its factorization.

121201212111190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395759407.

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 121201212111190 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twelve million, one hundred eleven thousand, one hundred ninety".