2112211020004 has 48 divisors (see below), whose sum is σ = 3823671519360. Its totient is φ = 1020434722560.

The previous prime is 2112211019927. The next prime is 2112211020013. The reversal of 2112211020004 is 4000201122112.

It is a super-2 number, since 2×2112211020004² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112211020004.

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, 5688984 + ... + 6048880.

It is an arithmetic number, because the mean of its divisors is an integer number (79659823320).

Almost surely, 2^{2112211020004} is an apocalyptic number.

It is an amenable number.

2112211020004 is a deficient number, since it is larger than the sum of its proper divisors (1711460499356).

2112211020004 is a wasteful number, since it uses less digits than its factorization.

2112211020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360388 (or 360386 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2112211020004 its reverse (4000201122112), we get a palindrome (6112412142116).

The spelling of 2112211020004 in words is "two trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, four".