121002221030 has 16 divisors (see below), whose sum is σ = 218058160320. Its totient is φ = 48344407872.

The previous prime is 121002220979. The next prime is 121002221051. The reversal of 121002221030 is 30122200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121002220996 and 121002221014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7051070 + ... + 7068209.

It is an arithmetic number, because the mean of its divisors is an integer number (13628635020).

Almost surely, 2^121002221030 is an apocalyptic number.

121002221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002221030 is a deficient number, since it is larger than the sum of its proper divisors (97055939290).

121002221030 is a wasteful number, since it uses less digits than its factorization.

121002221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14120143.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121002221030 its reverse (30122200121), we get a palindrome (151124421151).

The spelling of 121002221030 in words is "one hundred twenty-one billion, two million, two hundred twenty-one thousand, thirty".