10121121112202 has 4 divisors (see below), whose sum is σ = 15181681668306. Its totient is φ = 5060560556100.

The previous prime is 10121121112199. The next prime is 10121121112247. The reversal of 10121121112202 is 20221112112101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8956558548001 + 1164562564201 = 2992751^2 + 1079149^2 .

It is a super-2 number, since 2×10121121112202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530280278049 + ... + 2530280278052.

Almost surely, 2^{10121121112202} is an apocalyptic number.

10121121112202 is a deficient number, since it is larger than the sum of its proper divisors (5060560556104).

10121121112202 is an equidigital number, since it uses as much as digits as its factorization.

10121121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060560556103.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10121121112202 its reverse (20221112112101), we get a palindrome (30342233224303).

The spelling of 10121121112202 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".