121100020222 has 4 divisors (see below), whose sum is σ = 181650030336. Its totient is φ = 60550010110.

The previous prime is 121100020103. The next prime is 121100020231. The reversal of 121100020222 is 222020001121.

It is a happy number.

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, 30275005054 + ... + 30275005057.

It is an arithmetic number, because the mean of its divisors is an integer number (45412507584).

Almost surely, 2^121100020222 is an apocalyptic number.

121100020222 is a deficient number, since it is larger than the sum of its proper divisors (60550010114).

121100020222 is an equidigital number, since it uses as much as digits as its factorization.

121100020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60550010113.

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

Adding to 121100020222 its reverse (222020001121), we get a palindrome (343120021343).

The spelling of 121100020222 in words is "one hundred twenty-one billion, one hundred million, twenty thousand, two hundred twenty-two".