2221210031130 has 32 divisors (see below), whose sum is σ = 5923226750400. Its totient is φ = 592322674896.

The previous prime is 2221210031113. The next prime is 2221210031171. The reversal of 2221210031130 is 311300121222.

2221210031130 is a `hidden beast` number, since 2 + 221 + 2 + 100 + 311 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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, 4113351640 + ... + 4113352179.

It is an arithmetic number, because the mean of its divisors is an integer number (185100835950).

Almost surely, 2^{2221210031130} is an apocalyptic number.

2221210031130 is an abundant number, since it is smaller than the sum of its proper divisors (3702016719270).

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

2221210031130 is a wasteful number, since it uses less digits than its factorization.

2221210031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226703835 (or 8226703829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2221210031130 its reverse (311300121222), we get a palindrome (2532510152352).

The spelling of 2221210031130 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, thirty-one thousand, one hundred thirty".