10220011212121 has 8 divisors (see below), whose sum is σ = 10400515100640. Its totient is φ = 10039750102368.

The previous prime is 10220011212101. The next prime is 10220011212251. The reversal of 10220011212121 is 12121211002201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220011212121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220011212095 and 10220011212104.

It is not an unprimeable number, because it can be changed into a prime (10220011212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60609756 + ... + 60778141.

It is an arithmetic number, because the mean of its divisors is an integer number (1300064387580).

Almost surely, 2^{10220011212121} is an apocalyptic number.

It is an amenable number.

10220011212121 is a deficient number, since it is larger than the sum of its proper divisors (180503888519).

10220011212121 is a wasteful number, since it uses less digits than its factorization.

10220011212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121389383.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10220011212121 its reverse (12121211002201), we get a palindrome (22341222214322).

The spelling of 10220011212121 in words is "ten trillion, two hundred twenty billion, eleven million, two hundred twelve thousand, one hundred twenty-one".