215401108022 has 4 divisors (see below), whose sum is σ = 323101662036. Its totient is φ = 107700554010.

The previous prime is 215401108019. The next prime is 215401108031. The reversal of 215401108022 is 220801104512.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 215401107982 and 215401108000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53850277004 + ... + 53850277007.

It is an arithmetic number, because the mean of its divisors is an integer number (80775415509).

Almost surely, 2^215401108022 is an apocalyptic number.

215401108022 is a deficient number, since it is larger than the sum of its proper divisors (107700554014).

215401108022 is a wasteful number, since it uses less digits than its factorization.

215401108022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107700554013.

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 215401108022 in words is "two hundred fifteen billion, four hundred one million, one hundred eight thousand, twenty-two".