1210121211122 has 8 divisors (see below), whose sum is σ = 1816088054256. Its totient is φ = 604758526372.

The previous prime is 1210121211119. The next prime is 1210121211137. The reversal of 1210121211122 is 2211121210121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1210121211122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151034588 + ... + 151042599.

It is an arithmetic number, because the mean of its divisors is an integer number (227011006782).

Almost surely, 2^{1210121211122} is an apocalyptic number.

1210121211122 is a deficient number, since it is larger than the sum of its proper divisors (605966843134).

1210121211122 is a wasteful number, since it uses less digits than its factorization.

1210121211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302079192.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1210121211122 its reverse (2211121210121), we get a palindrome (3421242421243).

The spelling of 1210121211122 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".