31111012001122 has 8 divisors (see below), whose sum is σ = 46720592764416. Its totient is φ = 15537481079652.

The previous prime is 31111012001107. The next prime is 31111012001131. The reversal of 31111012001122 is 22110021011113.

It is a happy number.

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

It is a super-2 number, since 2×31111012001122² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31111012001096 and 31111012001105.

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, 9012458298 + ... + 9012461749.

It is an arithmetic number, because the mean of its divisors is an integer number (5840074095552).

Almost surely, 2^{31111012001122} is an apocalyptic number.

31111012001122 is a deficient number, since it is larger than the sum of its proper divisors (15609580763294).

31111012001122 is a wasteful number, since it uses less digits than its factorization.

31111012001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024920912.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 31111012001122 its reverse (22110021011113), we get a palindrome (53221033012235).

Subtracting from 31111012001122 its reverse (22110021011113), we obtain a palindrome (9000990990009).

The spelling of 31111012001122 in words is "thirty-one trillion, one hundred eleven billion, twelve million, one thousand, one hundred twenty-two".