121755372214 has 8 divisors (see below), whose sum is σ = 208723495248. Its totient is φ = 52180873800.

The previous prime is 121755372191. The next prime is 121755372227. The reversal of 121755372214 is 412273557121.

It is a happy number.

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

It is a super-4 number, since 4×121755372214⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

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, 4348406137 + ... + 4348406164.

It is an arithmetic number, because the mean of its divisors is an integer number (26090436906).

Almost surely, 2^121755372214 is an apocalyptic number.

121755372214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121755372214 is a deficient number, since it is larger than the sum of its proper divisors (86968123034).

121755372214 is an equidigital number, since it uses as much as digits as its factorization.

121755372214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696812310.

The product of its digits is 117600, while the sum is 40.

The spelling of 121755372214 in words is "one hundred twenty-one billion, seven hundred fifty-five million, three hundred seventy-two thousand, two hundred fourteen".