222011010121 has 8 divisors (see below), whose sum is σ = 227183758560. Its totient is φ = 216838702752.

The previous prime is 222011010103. The next prime is 222011010139. The reversal of 222011010121 is 121010110222.

It is an interprime number because it is at equal distance from previous prime (222011010103) and next prime (222011010139).

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-222011010121 is a prime.

It is a super-2 number, since 2×222011010121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011010521) 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, 1048290 + ... + 1242148.

It is an arithmetic number, because the mean of its divisors is an integer number (28397969820).

Almost surely, 2^222011010121 is an apocalyptic number.

It is an amenable number.

222011010121 is a deficient number, since it is larger than the sum of its proper divisors (5172748439).

222011010121 is a wasteful number, since it uses less digits than its factorization.

222011010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220535.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222011010121 its reverse (121010110222), we get a palindrome (343021120343).

The spelling of 222011010121 in words is "two hundred twenty-two billion, eleven million, ten thousand, one hundred twenty-one".