1211001021202 has 8 divisors (see below), whose sum is σ = 2076001750656. Its totient is φ = 519000437652.

The previous prime is 1211001021151. The next prime is 1211001021259. The reversal of 1211001021202 is 2021201001121.

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

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, 43250036458 + ... + 43250036485.

It is an arithmetic number, because the mean of its divisors is an integer number (259500218832).

Almost surely, 2^{1211001021202} is an apocalyptic number.

1211001021202 is a deficient number, since it is larger than the sum of its proper divisors (865000729454).

1211001021202 is an equidigital number, since it uses as much as digits as its factorization.

1211001021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86500072952.

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

Adding to 1211001021202 its reverse (2021201001121), we get a palindrome (3232202022323).

The spelling of 1211001021202 in words is "one trillion, two hundred eleven billion, one million, twenty-one thousand, two hundred two".