1031211221034 has 16 divisors (see below), whose sum is σ = 2080673969472. Its totient is φ = 340695152448.

The previous prime is 1031211221011. The next prime is 1031211221039. The reversal of 1031211221034 is 4301221121301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031211221034.

It is not an unprimeable number, because it can be changed into a prime (1031211221039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760479574 + ... + 760480929.

It is an arithmetic number, because the mean of its divisors is an integer number (130042123092).

Almost surely, 2^{1031211221034} is an apocalyptic number.

1031211221034 is an abundant number, since it is smaller than the sum of its proper divisors (1049462748438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031211221034 is a wasteful number, since it uses less digits than its factorization.

1031211221034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520960621.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1031211221034 its reverse (4301221121301), we get a palindrome (5332432342335).

The spelling of 1031211221034 in words is "one trillion, thirty-one billion, two hundred eleven million, two hundred twenty-one thousand, thirty-four".