2151066535222 has 12 divisors (see below), whose sum is σ = 3546593172108. Its totient is φ = 977757515900.

The previous prime is 2151066535159. The next prime is 2151066535243. The reversal of 2151066535222 is 2225356601512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4444352104 + ... + 4444352587.

It is an arithmetic number, because the mean of its divisors is an integer number (295549431009).

Almost surely, 2^{2151066535222} is an apocalyptic number.

2151066535222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2151066535222 is a deficient number, since it is larger than the sum of its proper divisors (1395526636886).

2151066535222 is a wasteful number, since it uses less digits than its factorization.

2151066535222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888704715 (or 8888704704 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2151066535222 in words is "two trillion, one hundred fifty-one billion, sixty-six million, five hundred thirty-five thousand, two hundred twenty-two".