1020002201112 has 32 divisors (see below), whose sum is σ = 2550118863600. Its totient is φ = 339985618944.

The previous prime is 1020002201111. The next prime is 1020002201191. The reversal of 1020002201112 is 2111022000201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002201111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386833 + ... + 1479744.

Almost surely, 2^{1020002201112} is an apocalyptic number.

1020002201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020002201112 is an abundant number, since it is smaller than the sum of its proper divisors (1530116662488).

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

1020002201112 is a wasteful number, since it uses less digits than its factorization.

1020002201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889355 (or 1889351 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020002201112 its reverse (2111022000201), we get a palindrome (3131024201313).

The spelling of 1020002201112 in words is "one trillion, twenty billion, two million, two hundred one thousand, one hundred twelve".