10120020222121 has 32 divisors (see below), whose sum is σ = 10451387796480. Its totient is φ = 9796101120000.

The previous prime is 10120020222119. The next prime is 10120020222127. The reversal of 10120020222121 is 12122202002101.

It is a happy number.

It is not a de Polignac number, because 10120020222121 - 2¹ = 10120020222119 is a prime.

It is a super-2 number, since 2×10120020222121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120020222095 and 10120020222104.

It is not an unprimeable number, because it can be changed into a prime (10120020222127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381917545 + ... + 381944041.

It is an arithmetic number, because the mean of its divisors is an integer number (326605868640).

Almost surely, 2^{10120020222121} is an apocalyptic number.

It is an amenable number.

10120020222121 is a deficient number, since it is larger than the sum of its proper divisors (331367574359).

10120020222121 is a wasteful number, since it uses less digits than its factorization.

10120020222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145.

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

Adding to 10120020222121 its reverse (12122202002101), we get a palindrome (22242222224222).

The spelling of 10120020222121 in words is "ten trillion, one hundred twenty billion, twenty million, two hundred twenty-two thousand, one hundred twenty-one".