1000202211112 has 64 divisors (see below), whose sum is σ = 2038999677120. Its totient is φ = 457208575488.

The previous prime is 1000202211109. The next prime is 1000202211119. The reversal of 1000202211112 is 2111122020001.

It is a super-2 number, since 2×1000202211112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1000202211092 and 1000202211101.

It is not an unprimeable number, because it can be changed into a prime (1000202211119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63833503 + ... + 63849169.

It is an arithmetic number, because the mean of its divisors is an integer number (31859369955).

Almost surely, 2^{1000202211112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000202211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019499838560).

1000202211112 is an abundant number, since it is smaller than the sum of its proper divisors (1038797466008).

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

1000202211112 is a wasteful number, since it uses less digits than its factorization.

1000202211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21530 (or 21526 counting only the distinct ones).

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

Adding to 1000202211112 its reverse (2111122020001), we get a palindrome (3111324231113).

It can be divided in two parts, 100020 and 2211112, that added together give a palindrome (2311132).

The spelling of 1000202211112 in words is "one trillion, two hundred two million, two hundred eleven thousand, one hundred twelve".