10210111010121 has 32 divisors (see below), whose sum is σ = 15152731042176. Its totient is φ = 6063517440000.

The previous prime is 10210111010101. The next prime is 10210111010153. The reversal of 10210111010121 is 12101011101201.

It is not a de Polignac number, because 10210111010121 - 2¹⁹ = 10210110485833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10210111010097 and 10210111010106.

It is not an unprimeable number, because it can be changed into a prime (10210111010101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15467110 + ... + 16113711.

It is an arithmetic number, because the mean of its divisors is an integer number (473522845068).

Almost surely, 2^{10210111010121} is an apocalyptic number.

10210111010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210111010121 is a deficient number, since it is larger than the sum of its proper divisors (4942620032055).

10210111010121 is a wasteful number, since it uses less digits than its factorization.

10210111010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31581033.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10210111010121 its reverse (12101011101201), we get a palindrome (22311122111322).

The spelling of 10210111010121 in words is "ten trillion, two hundred ten billion, one hundred eleven million, ten thousand, one hundred twenty-one".