121100212100022 has 32 divisors (see below), whose sum is σ = 248747436252672. Its totient is φ = 39275577942624.

The previous prime is 121100212099967. The next prime is 121100212100039. The reversal of 121100212100022 is 220001212001121.

It is a super-2 number, since 2×121100212100022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121100212099974 and 121100212100010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58159203 + ... + 60205425.

It is an arithmetic number, because the mean of its divisors is an integer number (7773357382896).

Almost surely, 2^{121100212100022} is an apocalyptic number.

121100212100022 is an abundant number, since it is smaller than the sum of its proper divisors (127647224152650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121100212100022 is a wasteful number, since it uses less digits than its factorization.

121100212100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312852.

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

Adding to 121100212100022 its reverse (220001212001121), we get a palindrome (341101424101143).

The spelling of 121100212100022 in words is "one hundred twenty-one trillion, one hundred billion, two hundred twelve million, one hundred thousand, twenty-two".