1011002201212 has 24 divisors (see below), whose sum is σ = 1846227251232. Its totient is φ = 483509875200.

The previous prime is 1011002201203. The next prime is 1011002201219. The reversal of 1011002201212 is 2121022001101.

It is a junction number, because it is equal to n+sod(n) for n = 1011002201192 and 1011002201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011002201219) 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, 3927012 + ... + 4176532.

It is an arithmetic number, because the mean of its divisors is an integer number (76926135468).

Almost surely, 2^{1011002201212} is an apocalyptic number.

It is an amenable number.

1011002201212 is a deficient number, since it is larger than the sum of its proper divisors (835225050020).

1011002201212 is a wasteful number, since it uses less digits than its factorization.

1011002201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293589 (or 293587 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011002201212 its reverse (2121022001101), we get a palindrome (3132024202313).

The spelling of 1011002201212 in words is "one trillion, eleven billion, two million, two hundred one thousand, two hundred twelve".