1000021202122 has 8 divisors (see below), whose sum is σ = 1500058069056. Its totient is φ = 500001845772.

The previous prime is 1000021202119. The next prime is 1000021202143. The reversal of 1000021202122 is 2212021200001.

It is a happy number.

1000021202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4233928 + ... + 4463875.

It is an arithmetic number, because the mean of its divisors is an integer number (187507258632).

Almost surely, 2^{1000021202122} is an apocalyptic number.

1000021202122 is a deficient number, since it is larger than the sum of its proper divisors (500036866934).

1000021202122 is an equidigital number, since it uses as much as digits as its factorization.

1000021202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755292.

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

Adding to 1000021202122 its reverse (2212021200001), we get a palindrome (3212042402123).

The spelling of 1000021202122 in words is "one trillion, twenty-one million, two hundred two thousand, one hundred twenty-two".