10012222121121 has 32 divisors (see below), whose sum is σ = 16455629606400. Its totient is φ = 5965165711440.

The previous prime is 10012222121117. The next prime is 10012222121137. The reversal of 10012222121121 is 12112122221001.

It is not a de Polignac number, because 10012222121121 - 2² = 10012222121117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012222121094 and 10012222121103.

It is not an unprimeable number, because it can be changed into a prime (10012222121621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285670491 + ... + 285705536.

It is an arithmetic number, because the mean of its divisors is an integer number (514238425200).

Almost surely, 2^{10012222121121} is an apocalyptic number.

10012222121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10012222121121 is a deficient number, since it is larger than the sum of its proper divisors (6443407485279).

10012222121121 is a wasteful number, since it uses less digits than its factorization.

10012222121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571376106 (or 571376100 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10012222121121 its reverse (12112122221001), we get a palindrome (22124344342122).

The spelling of 10012222121121 in words is "ten trillion, twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".