1000202210122 has 24 divisors (see below), whose sum is σ = 1569120688800. Its totient is φ = 478128619320.

The previous prime is 1000202210081. The next prime is 1000202210129. The reversal of 1000202210122 is 2210122020001.

It is a happy number.

It is a super-2 number, since 2×1000202210122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000202210129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1995547 + ... + 2445937.

It is an arithmetic number, because the mean of its divisors is an integer number (65380028700).

Almost surely, 2^{1000202210122} is an apocalyptic number.

1000202210122 is a deficient number, since it is larger than the sum of its proper divisors (568918478678).

1000202210122 is a wasteful number, since it uses less digits than its factorization.

1000202210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452538 (or 452515 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000202210122 its reverse (2210122020001), we get a palindrome (3210324230123).

The spelling of 1000202210122 in words is "one trillion, two hundred two million, two hundred ten thousand, one hundred twenty-two".