121022112101 has 8 divisors (see below), whose sum is σ = 134261820000. Its totient is φ = 108155353840.

The previous prime is 121022112067. The next prime is 121022112137. The reversal of 121022112101 is 101211220121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121022112101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022112151) 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, 93236726 + ... + 93238023.

It is an arithmetic number, because the mean of its divisors is an integer number (16782727500).

Almost surely, 2^121022112101 is an apocalyptic number.

121022112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121022112101 is a deficient number, since it is larger than the sum of its proper divisors (13239707899).

121022112101 is a wasteful number, since it uses less digits than its factorization.

121022112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186474819.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121022112101 its reverse (101211220121), we get a palindrome (222233332222).

The spelling of 121022112101 in words is "one hundred twenty-one billion, twenty-two million, one hundred twelve thousand, one hundred one".