2111220100112 has 10 divisors (see below), whose sum is σ = 4090488943998. Its totient is φ = 1055610050048.

The previous prime is 2111220100091. The next prime is 2111220100123. The reversal of 2111220100112 is 2110010221112.

It can be written as a sum of positive squares in only one way, i.e., 1738431702016 + 372788398096 = 1318496^2 + 610564^2 .

It is a super-2 number, since 2×2111220100112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65975628113 + ... + 65975628144.

Almost surely, 2^{2111220100112} is an apocalyptic number.

It is an amenable number.

2111220100112 is a deficient number, since it is larger than the sum of its proper divisors (1979268843886).

2111220100112 is a wasteful number, since it uses less digits than its factorization.

2111220100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131951256265 (or 131951256259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111220100112 its reverse (2110010221112), we get a palindrome (4221230321224).

The spelling of 2111220100112 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one hundred thousand, one hundred twelve".