1211122010002 has 16 divisors (see below), whose sum is σ = 1825593023232. Its totient is φ = 602596059520.

The previous prime is 1211122009991. The next prime is 1211122010069. The reversal of 1211122010002 is 2000102211121.

It is a super-2 number, since 2×1211122010002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784543 + ... + 1742914.

It is an arithmetic number, because the mean of its divisors is an integer number (114099563952).

Almost surely, 2^{1211122010002} is an apocalyptic number.

1211122010002 is a deficient number, since it is larger than the sum of its proper divisors (614471013230).

1211122010002 is a wasteful number, since it uses less digits than its factorization.

1211122010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528633.

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

Adding to 1211122010002 its reverse (2000102211121), we get a palindrome (3211224221123).

The spelling of 1211122010002 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, ten thousand, two".