1000021222202 has 16 divisors (see below), whose sum is σ = 1570592782080. Its totient is φ = 476638688592.

The previous prime is 1000021222201. The next prime is 1000021222231. The reversal of 1000021222202 is 2022221200001.

It is not an unprimeable number, because it can be changed into a prime (1000021222201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37084802 + ... + 37111757.

It is an arithmetic number, because the mean of its divisors is an integer number (98162048880).

Almost surely, 2^{1000021222202} is an apocalyptic number.

1000021222202 is a deficient number, since it is larger than the sum of its proper divisors (570571559878).

1000021222202 is a wasteful number, since it uses less digits than its factorization.

1000021222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74196877.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1000021222202 its reverse (2022221200001), we get a palindrome (3022242422203).

The spelling of 1000021222202 in words is "one trillion, twenty-one million, two hundred twenty-two thousand, two hundred two".