1002222210100 has 36 divisors (see below), whose sum is σ = 2269379687904. Its totient is φ = 383458931680.

The previous prime is 1002222210097. The next prime is 1002222210107. The reversal of 1002222210100 is 10122222001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002222210107) 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, 217872094 + ... + 217876693.

It is an arithmetic number, because the mean of its divisors is an integer number (63038324664).

Almost surely, 2^{1002222210100} is an apocalyptic number.

1002222210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002222210100 is an abundant number, since it is smaller than the sum of its proper divisors (1267157477804).

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

1002222210100 is a wasteful number, since it uses less digits than its factorization.

1002222210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435748824 (or 435748817 counting only the distinct ones).

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

Adding to 1002222210100 its reverse (10122222001), we get a palindrome (1012344432101).

The spelling of 1002222210100 in words is "one trillion, two billion, two hundred twenty-two million, two hundred ten thousand, one hundred".