121222010002 has 12 divisors (see below), whose sum is σ = 190082529630. Its totient is φ = 57975743408.

The previous prime is 121222009897. The next prime is 121222010009. The reversal of 121222010002 is 200010222121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69510795201 + 51711214801 = 263649^2 + 227401^2 .

It is not an unprimeable number, because it can be changed into a prime (121222010009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57287227 + ... + 57289342.

Almost surely, 2^121222010002 is an apocalyptic number.

121222010002 is a deficient number, since it is larger than the sum of its proper divisors (68860519628).

121222010002 is a wasteful number, since it uses less digits than its factorization.

121222010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114576617 (or 114576594 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121222010002 its reverse (200010222121), we get a palindrome (321232232123).

The spelling of 121222010002 in words is "one hundred twenty-one billion, two hundred twenty-two million, ten thousand, two".