1000202221122 has 24 divisors (see below), whose sum is σ = 2166118421904. Its totient is φ = 307754529264.

The previous prime is 1000202221091. The next prime is 1000202221133. The reversal of 1000202221122 is 2211222020001.

It is a super-3 number, since 3×1000202221122³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493195348 + ... + 493197375.

It is an arithmetic number, because the mean of its divisors is an integer number (90254934246).

Almost surely, 2^{1000202221122} is an apocalyptic number.

1000202221122 is an abundant number, since it is smaller than the sum of its proper divisors (1165916200782).

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

1000202221122 is a wasteful number, since it uses less digits than its factorization.

1000202221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986392754 (or 986392741 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1000202221122 its reverse (2211222020001), we get a palindrome (3211424241123).

The spelling of 1000202221122 in words is "one trillion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".