10211221122122 has 32 divisors (see below), whose sum is σ = 16809215670720. Its totient is φ = 4635268485120.

The previous prime is 10211221122107. The next prime is 10211221122143. The reversal of 10211221122122 is 22122112211201.

It is a junction number, because it is equal to n+sod(n) for n = 10211221122094 and 10211221122103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58868279 + ... + 59041482.

It is an arithmetic number, because the mean of its divisors is an integer number (525287989710).

Almost surely, 2^{10211221122122} is an apocalyptic number.

10211221122122 is a deficient number, since it is larger than the sum of its proper divisors (6597994548598).

10211221122122 is a wasteful number, since it uses less digits than its factorization.

10211221122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117909878.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10211221122122 its reverse (22122112211201), we get a palindrome (32333333333323).

The spelling of 10211221122122 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".