1021122003120 has 160 divisors (see below), whose sum is σ = 3204714551808. Its totient is φ = 268935634944.

The previous prime is 1021122003119. The next prime is 1021122003173. The reversal of 1021122003120 is 213002211201.

It is a super-3 number, since 3×1021122003120³ (a number of 37 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1021122003120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11292327 + ... + 11382393.

Almost surely, 2^{1021122003120} is an apocalyptic number.

1021122003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021122003120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602357275904).

1021122003120 is an abundant number, since it is smaller than the sum of its proper divisors (2183592548688).

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

1021122003120 is a wasteful number, since it uses less digits than its factorization.

1021122003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90667 (or 90661 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1021122003120 its reverse (213002211201), we get a palindrome (1234124214321).

The spelling of 1021122003120 in words is "one trillion, twenty-one billion, one hundred twenty-two million, three thousand, one hundred twenty".