10001121211002 has 16 divisors (see below), whose sum is σ = 21178844917632. Its totient is φ = 3137606654400.

The previous prime is 10001121210961. The next prime is 10001121211007. The reversal of 10001121211002 is 20011212110001.

It is a super-2 number, since 2×10001121211002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10001121211007) 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, 49025103874 + ... + 49025104077.

It is an arithmetic number, because the mean of its divisors is an integer number (1323677807352).

Almost surely, 2^{10001121211002} is an apocalyptic number.

10001121211002 is an abundant number, since it is smaller than the sum of its proper divisors (11177723706630).

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

10001121211002 is a wasteful number, since it uses less digits than its factorization.

10001121211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98050207973.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10001121211002 its reverse (20011212110001), we get a palindrome (30012333321003).

The spelling of 10001121211002 in words is "ten trillion, one billion, one hundred twenty-one million, two hundred eleven thousand, two".