10201121210 has 16 divisors (see below), whose sum is σ = 20985163776. Its totient is φ = 3497527248.

The previous prime is 10201121209. The next prime is 10201121221. The reversal of 10201121210 is 1212110201.

It is a super-2 number, since 2×10201121210² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10201121191 and 10201121200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72865082 + ... + 72865221.

It is an arithmetic number, because the mean of its divisors is an integer number (1311572736).

Almost surely, 2^10201121210 is an apocalyptic number.

10201121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10201121210 is an abundant number, since it is smaller than the sum of its proper divisors (10784042566).

10201121210 is a wasteful number, since it uses less digits than its factorization.

10201121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145730317.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10201121210 its reverse (1212110201), we get a palindrome (11413231411).

The spelling of 10201121210 in words is "ten billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".