10210222121 has 8 divisors (see below), whose sum is σ = 11230478688. Its totient is φ = 9282018900.

The previous prime is 10210222103. The next prime is 10210222157. The reversal of 10210222121 is 12122201201.

It is not a de Polignac number, because 10210222121 - 2²² = 10206027817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210222096 and 10210222105.

It is not an unprimeable number, because it can be changed into a prime (10210222181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834215 + ... + 3836876.

It is an arithmetic number, because the mean of its divisors is an integer number (1403809836).

Almost surely, 2^10210222121 is an apocalyptic number.

10210222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210222121 is a deficient number, since it is larger than the sum of its proper divisors (1020256567).

10210222121 is an frugal number, since it uses more digits than its factorization.

10210222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671124 (or 7671102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10210222121 its reverse (12122201201), we get a palindrome (22332423322).

The spelling of 10210222121 in words is "ten billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".