121002542222 has 4 divisors (see below), whose sum is σ = 181503813336. Its totient is φ = 60501271110.

The previous prime is 121002542209. The next prime is 121002542257. The reversal of 121002542222 is 222245200121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250635554 + ... + 30250635557.

It is an arithmetic number, because the mean of its divisors is an integer number (45375953334).

Almost surely, 2^121002542222 is an apocalyptic number.

121002542222 is a deficient number, since it is larger than the sum of its proper divisors (60501271114).

121002542222 is an equidigital number, since it uses as much as digits as its factorization.

121002542222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60501271113.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 121002542222 its reverse (222245200121), we get a palindrome (343247742343).

The spelling of 121002542222 in words is "one hundred twenty-one billion, two million, five hundred forty-two thousand, two hundred twenty-two".