2121000474122 has 16 divisors (see below), whose sum is σ = 3192116048640. Its totient is φ = 1056966947712.

The previous prime is 2121000474097. The next prime is 2121000474133. The reversal of 2121000474122 is 2214740001212.

It is a happy number.

It is a super-2 number, since 2×2121000474122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121000474091 and 2121000474100.

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, 465338 + ... + 2111525.

It is an arithmetic number, because the mean of its divisors is an integer number (199507253040).

Almost surely, 2^{2121000474122} is an apocalyptic number.

2121000474122 is a deficient number, since it is larger than the sum of its proper divisors (1071115574518).

2121000474122 is a wasteful number, since it uses less digits than its factorization.

2121000474122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578237.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 2121000474122 its reverse (2214740001212), we get a palindrome (4335740475334).

The spelling of 2121000474122 in words is "two trillion, one hundred twenty-one billion, four hundred seventy-four thousand, one hundred twenty-two".