10221122121002 has 32 divisors (see below), whose sum is σ = 17642669259600. Its totient is φ = 4399210994688.

The previous prime is 10221122120987. The next prime is 10221122121029. The reversal of 10221122121002 is 20012122112201.

10221122121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7938638718481 + 2282483402521 = 2817559^2 + 1510789^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106028477 + ... + 106124832.

Almost surely, 2^{10221122121002} is an apocalyptic number.

10221122121002 is a deficient number, since it is larger than the sum of its proper divisors (7421547138598).

10221122121002 is a wasteful number, since it uses less digits than its factorization.

10221122121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212153450.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221122121002 its reverse (20012122112201), we get a palindrome (30233244233203).

The spelling of 10221122121002 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, two".