1020012201111 has 8 divisors (see below), whose sum is σ = 1372051810800. Its totient is φ = 673990362752.

The previous prime is 1020012201007. The next prime is 1020012201119. The reversal of 1020012201111 is 1111022100201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020012201111 - 2²⁵ = 1019978646679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020012201119) 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, 1504442436 + ... + 1504443113.

It is an arithmetic number, because the mean of its divisors is an integer number (171506476350).

Almost surely, 2^{1020012201111} is an apocalyptic number.

1020012201111 is a deficient number, since it is larger than the sum of its proper divisors (352039609689).

1020012201111 is a wasteful number, since it uses less digits than its factorization.

1020012201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008885665.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020012201111 its reverse (1111022100201), we get a palindrome (2131034301312).

The spelling of 1020012201111 in words is "one trillion, twenty billion, twelve million, two hundred one thousand, one hundred eleven".