2100222121102 has 16 divisors (see below), whose sum is σ = 3616102971360. Its totient is φ = 896164646688.

The previous prime is 2100222121061. The next prime is 2100222121117. The reversal of 2100222121102 is 2011212220012.

It is a happy number.

It is a super-3 number, since 3×2100222121102³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

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, 327542353 + ... + 327548764.

It is an arithmetic number, because the mean of its divisors is an integer number (226006435710).

Almost surely, 2^{2100222121102} is an apocalyptic number.

2100222121102 is a deficient number, since it is larger than the sum of its proper divisors (1515880850258).

2100222121102 is a wasteful number, since it uses less digits than its factorization.

2100222121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655091355.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2100222121102 its reverse (2011212220012), we get a palindrome (4111434341114).

The spelling of 2100222121102 in words is "two trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".