10121201021122 has 8 divisors (see below), whose sum is σ = 15188480729676. Its totient is φ = 5058374111232.

The previous prime is 10121201021117. The next prime is 10121201021137. The reversal of 10121201021122 is 22112010212101.

It can be written as a sum of positive squares in 2 ways, for example, as 7943271461161 + 2177929559961 = 2818381^2 + 1475781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10121201021122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121201021096 and 10121201021105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113193983 + ... + 1113203074.

Almost surely, 2^{10121201021122} is an apocalyptic number.

10121201021122 is a deficient number, since it is larger than the sum of its proper divisors (5067279708554).

10121201021122 is a wasteful number, since it uses less digits than its factorization.

10121201021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226399332.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121201021122 its reverse (22112010212101), we get a palindrome (32233211233223).

The spelling of 10121201021122 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, twenty-one thousand, one hundred twenty-two".