121112022101 has 4 divisors (see below), whose sum is σ = 138413739552. Its totient is φ = 103810304652.

The previous prime is 121112022089. The next prime is 121112022131. The reversal of 121112022101 is 101220211121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121112022101 - 2¹⁸ = 121111759957 is a prime.

It is a super-2 number, since 2×121112022101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112022131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8650858715 + ... + 8650858728.

It is an arithmetic number, because the mean of its divisors is an integer number (34603434888).

Almost surely, 2^121112022101 is an apocalyptic number.

It is an amenable number.

121112022101 is a deficient number, since it is larger than the sum of its proper divisors (17301717451).

121112022101 is an equidigital number, since it uses as much as digits as its factorization.

121112022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17301717450.

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

Adding to 121112022101 its reverse (101220211121), we get a palindrome (222332233222).

The spelling of 121112022101 in words is "one hundred twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred one".