6221557702120 has 32 divisors (see below), whose sum is σ = 14006744244000. Its totient is φ = 2487158296128.

The previous prime is 6221557702117. The next prime is 6221557702159. The reversal of 6221557702120 is 212077551226.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 45705714 + ... + 45841633.

It is an arithmetic number, because the mean of its divisors is an integer number (437710757625).

Almost surely, 2^{6221557702120} is an apocalyptic number.

It is an amenable number.

6221557702120 is an abundant number, since it is smaller than the sum of its proper divisors (7785186541880).

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

6221557702120 is a wasteful number, since it uses less digits than its factorization.

6221557702120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91549057 (or 91549053 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 6221557702120 in words is "six trillion, two hundred twenty-one billion, five hundred fifty-seven million, seven hundred two thousand, one hundred twenty".