21950102174 has 32 divisors (see below), whose sum is σ = 44207202816. Its totient is φ = 7894141920.

The previous prime is 21950102159. The next prime is 21950102189. The reversal of 21950102174 is 47120105912.

It is an interprime number because it is at equal distance from previous prime (21950102159) and next prime (21950102189).

It is a self number, because there is not a number n which added to its sum of digits gives 21950102174.

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, 5480042 + ... + 5484045.

It is an arithmetic number, because the mean of its divisors is an integer number (1381475088).

Almost surely, 2^21950102174 is an apocalyptic number.

21950102174 is an abundant number, since it is smaller than the sum of its proper divisors (22257100642).

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

21950102174 is a wasteful number, since it uses less digits than its factorization.

21950102174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964120.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 21950102174 in words is "twenty-one billion, nine hundred fifty million, one hundred two thousand, one hundred seventy-four".