121122022101 has 16 divisors (see below), whose sum is σ = 166045463808. Its totient is φ = 78487833600.

The previous prime is 121122022081. The next prime is 121122022103. The reversal of 121122022101 is 101220221121.

It is not a de Polignac number, because 121122022101 - 2⁵ = 121122022069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122022103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783516 + ... + 1850181.

It is an arithmetic number, because the mean of its divisors is an integer number (10377841488).

Almost surely, 2^121122022101 is an apocalyptic number.

It is an amenable number.

121122022101 is a deficient number, since it is larger than the sum of its proper divisors (44923441707).

121122022101 is a wasteful number, since it uses less digits than its factorization.

121122022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634012.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121122022101 its reverse (101220221121), we get a palindrome (222342243222).

It can be divided in two parts, 1211220 and 22101, that added together give a palindrome (1233321).

The spelling of 121122022101 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred one".