2101022227500 has 240 divisors, whose sum is σ = 7305569069568. Its totient is φ = 459353664000.

The previous prime is 2101022227463. The next prime is 2101022227517. The reversal of 2101022227500 is 57222201012.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 337512 + ... + 2077488.

Almost surely, 2^{2101022227500} is an apocalyptic number.

2101022227500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101022227500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3652784534784).

2101022227500 is an abundant number, since it is smaller than the sum of its proper divisors (5204546842068).

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

2101022227500 is a wasteful number, since it uses less digits than its factorization.

2101022227500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740034 (or 1740017 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 2101022227500 its reverse (57222201012), we get a palindrome (2158244428512).

The spelling of 2101022227500 in words is "two trillion, one hundred one billion, twenty-two million, two hundred twenty-seven thousand, five hundred".