2211020011012 has 6 divisors (see below), whose sum is σ = 3869285019278. Its totient is φ = 1105510005504.

The previous prime is 2211020011009. The next prime is 2211020011027. The reversal of 2211020011012 is 2101100201122.

It can be written as a sum of positive squares in only one way, i.e., 2154977024256 + 56042986756 = 1467984^2 + 236734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2211020010983 and 2211020011001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276377501373 + ... + 276377501380.

Almost surely, 2^{2211020011012} is an apocalyptic number.

It is an amenable number.

2211020011012 is a deficient number, since it is larger than the sum of its proper divisors (1658265008266).

2211020011012 is a wasteful number, since it uses less digits than its factorization.

2211020011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552755002757 (or 552755002755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2211020011012 its reverse (2101100201122), we get a palindrome (4312120212134).

The spelling of 2211020011012 in words is "two trillion, two hundred eleven billion, twenty million, eleven thousand, twelve".