1211122102002 has 32 divisors (see below), whose sum is σ = 2447348904000. Its totient is φ = 399523703808.

The previous prime is 1211122101991. The next prime is 1211122102037. The reversal of 1211122102002 is 2002012211121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13398574 + ... + 13488662.

It is an arithmetic number, because the mean of its divisors is an integer number (76479653250).

Almost surely, 2^{1211122102002} is an apocalyptic number.

1211122102002 is an abundant number, since it is smaller than the sum of its proper divisors (1236226801998).

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

1211122102002 is a wasteful number, since it uses less digits than its factorization.

1211122102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113290.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1211122102002 its reverse (2002012211121), we get a palindrome (3213134313123).

The spelling of 1211122102002 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred two thousand, two".