10211002120121 has 8 divisors (see below), whose sum is σ = 11139443128224. Its totient is φ = 9282589126720.

The previous prime is 10211002120087. The next prime is 10211002120139. The reversal of 10211002120121 is 12102120011201.

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 10211002120121 - 2¹⁴ = 10211002103737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211002120096 and 10211002120105.

It is not an unprimeable number, because it can be changed into a prime (10211002120421) 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, 6237920 + ... + 7702833.

It is an arithmetic number, because the mean of its divisors is an integer number (1392430391028).

Almost surely, 2^{10211002120121} is an apocalyptic number.

10211002120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10211002120121 is a deficient number, since it is larger than the sum of its proper divisors (928441008103).

10211002120121 is a wasteful number, since it uses less digits than its factorization.

10211002120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007351.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10211002120121 its reverse (12102120011201), we get a palindrome (22313122131322).

The spelling of 10211002120121 in words is "ten trillion, two hundred eleven billion, two million, one hundred twenty thousand, one hundred twenty-one".