10211200121 has 8 divisors (see below), whose sum is σ = 10570694400. Its totient is φ = 9852198160.

The previous prime is 10211200117. The next prime is 10211200123. The reversal of 10211200121 is 12100211201.

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

It is a cyclic number.

It is not a de Polignac number, because 10211200121 - 2² = 10211200117 is a prime.

It is a super-2 number, since 2×10211200121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211200123) 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, 80615 + ... + 164076.

It is an arithmetic number, because the mean of its divisors is an integer number (1321336800).

Almost surely, 2^10211200121 is an apocalyptic number.

It is an amenable number.

10211200121 is a deficient number, since it is larger than the sum of its proper divisors (359494279).

10211200121 is a wasteful number, since it uses less digits than its factorization.

10211200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246159.

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

Adding to 10211200121 its reverse (12100211201), we get a palindrome (22311411322).

The spelling of 10211200121 in words is "ten billion, two hundred eleven million, two hundred thousand, one hundred twenty-one".