10121111210210 has 128 divisors (see below), whose sum is σ = 24463241768448. Its totient is φ = 2911645440000.

The previous prime is 10121111210209. The next prime is 10121111210237. The reversal of 10121111210210 is 1201211112101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 99057950 + ... + 99160070.

It is an arithmetic number, because the mean of its divisors is an integer number (191119076316).

Almost surely, 2^{10121111210210} is an apocalyptic number.

10121111210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121111210210 is an abundant number, since it is smaller than the sum of its proper divisors (14342130558238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121111210210 is a wasteful number, since it uses less digits than its factorization.

10121111210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112060.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121111210210 its reverse (1201211112101), we get a palindrome (11322322322311).

The spelling of 10121111210210 in words is "ten trillion, one hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, two hundred ten".