2051572222150 has 48 divisors (see below), whose sum is σ = 4407698715120. Its totient is φ = 702142361600.

The previous prime is 2051572222129. The next prime is 2051572222151. The reversal of 2051572222150 is 512222751502.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051572222151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109700395 + ... + 109719094.

It is an arithmetic number, because the mean of its divisors is an integer number (91827056565).

Almost surely, 2^{2051572222150} is an apocalyptic number.

2051572222150 is an abundant number, since it is smaller than the sum of its proper divisors (2356126492970).

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

2051572222150 is a wasteful number, since it uses less digits than its factorization.

2051572222150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219419529 (or 219419524 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

Adding to 2051572222150 its reverse (512222751502), we get a palindrome (2563794973652).

It can be divided in two parts, 2051572 and 222150, that added together give a palindrome (2273722).

The spelling of 2051572222150 in words is "two trillion, fifty-one billion, five hundred seventy-two million, two hundred twenty-two thousand, one hundred fifty".