1020112201005 has 16 divisors (see below), whose sum is σ = 1666906746624. Its totient is φ = 532484098880.

The previous prime is 1020112200971. The next prime is 1020112201067. The reversal of 1020112201005 is 5001022110201.

It is not a de Polignac number, because 1020112201005 - 2²³ = 1020103812397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723483126 + ... + 723484535.

It is an arithmetic number, because the mean of its divisors is an integer number (104181671664).

Almost surely, 2^{1020112201005} is an apocalyptic number.

1020112201005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020112201005 is a deficient number, since it is larger than the sum of its proper divisors (646794545619).

1020112201005 is a wasteful number, since it uses less digits than its factorization.

1020112201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446967716.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 1020112201005 its reverse (5001022110201), we get a palindrome (6021134311206).

The spelling of 1020112201005 in words is "one trillion, twenty billion, one hundred twelve million, two hundred one thousand, five".