121142022 has 16 divisors (see below), whose sum is σ = 243114480. Its totient is φ = 40242272.

The previous prime is 121142011. The next prime is 121142057. The reversal of 121142022 is 220241121.

It is a super-3 number, since 3×121142022³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121141992 and 121142010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32697 + ... + 36212.

It is an arithmetic number, because the mean of its divisors is an integer number (15194655).

Almost surely, 2^121142022 is an apocalyptic number.

121142022 is an abundant number, since it is smaller than the sum of its proper divisors (121972458).

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

121142022 is a wasteful number, since it uses less digits than its factorization.

121142022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69207.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121142022 is about 11006.4536522896. The cubic root of 121142022 is about 494.8021819498.

Adding to 121142022 its reverse (220241121), we get a palindrome (341383143).

Subtracting 121142022 from its reverse (220241121), we obtain a palindrome (99099099).

The spelling of 121142022 in words is "one hundred twenty-one million, one hundred forty-two thousand, twenty-two".