1022101211002 has 4 divisors (see below), whose sum is σ = 1533151816506. Its totient is φ = 511050605500.

The previous prime is 1022101210993. The next prime is 1022101211167. The reversal of 1022101211002 is 2001121012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 757214972761 + 264886238241 = 870181^2 + 514671^2 .

It is a super-3 number, since 3×1022101211002³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255525302749 + ... + 255525302752.

Almost surely, 2^{1022101211002} is an apocalyptic number.

1022101211002 is a deficient number, since it is larger than the sum of its proper divisors (511050605504).

1022101211002 is an equidigital number, since it uses as much as digits as its factorization.

1022101211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511050605503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1022101211002 its reverse (2001121012201), we get a palindrome (3023222223203).

The spelling of 1022101211002 in words is "one trillion, twenty-two billion, one hundred one million, two hundred eleven thousand, two".