1002121022 has 8 divisors (see below), whose sum is σ = 1717921776. Its totient is φ = 429480432.

The previous prime is 1002121007. The next prime is 1002121031. The reversal of 1002121022 is 2201212001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002120994 and 1002121012.

It is a congruent number.

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, 35790023 + ... + 35790050.

It is an arithmetic number, because the mean of its divisors is an integer number (214740222).

Almost surely, 2^1002121022 is an apocalyptic number.

1002121022 is a deficient number, since it is larger than the sum of its proper divisors (715800754).

1002121022 is an equidigital number, since it uses as much as digits as its factorization.

1002121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71580082.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002121022 is about 31656.2951401455. The cubic root of 1002121022 is about 1000.7065080621.

Adding to 1002121022 its reverse (2201212001), we get a palindrome (3203333023).

The spelling of 1002121022 in words is "one billion, two million, one hundred twenty-one thousand, twenty-two".