2111020220312 has 16 divisors (see below), whose sum is σ = 3958201698840. Its totient is φ = 1055499767296.

The previous prime is 2111020220311. The next prime is 2111020220317. The reversal of 2111020220312 is 2130220201112.

It is a super-2 number, since 2×2111020220312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111020220311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388178 + ... + 2091105.

Almost surely, 2^{2111020220312} is an apocalyptic number.

It is an amenable number.

2111020220312 is a deficient number, since it is larger than the sum of its proper divisors (1847181478528).

2111020220312 is a wasteful number, since it uses less digits than its factorization.

2111020220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585722 (or 2585718 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2111020220312 its reverse (2130220201112), we get a palindrome (4241240421424).

It can be divided in two parts, 2111020 and 220312, that added together give a palindrome (2331332).

The spelling of 2111020220312 in words is "two trillion, one hundred eleven billion, twenty million, two hundred twenty thousand, three hundred twelve".