102011002222121 has 8 divisors (see below), whose sum is σ = 102115665372864. Its totient is φ = 101906340878160.

The previous prime is 102011002222111. The next prime is 102011002222127. The reversal of 102011002222121 is 121222200110201.

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 102011002222121 - 2²² = 102010998027817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102011002222121.

It is not an unprimeable number, because it can be changed into a prime (102011002222127) 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, 132593726 + ... + 133360856.

It is an arithmetic number, because the mean of its divisors is an integer number (12764458171608).

Almost surely, 2^{102011002222121} is an apocalyptic number.

It is an amenable number.

102011002222121 is a deficient number, since it is larger than the sum of its proper divisors (104663150743).

102011002222121 is an equidigital number, since it uses as much as digits as its factorization.

102011002222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903391.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102011002222121 its reverse (121222200110201), we get a palindrome (223233202332322).

The spelling of 102011002222121 in words is "one hundred two trillion, eleven billion, two million, two hundred twenty-two thousand, one hundred twenty-one".