1101012213444 has 192 divisors, whose sum is σ = 3079280510208. Its totient is φ = 301754419200.

The previous prime is 1101012213409. The next prime is 1101012213479. The reversal of 1101012213444 is 4443122101011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1101012213409) and next prime (1101012213479).

It is a super-2 number, since 2×1101012213444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70294974 + ... + 70310634.

It is an arithmetic number, because the mean of its divisors is an integer number (16037919324).

Almost surely, 2^{1101012213444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101012213444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539640255104).

1101012213444 is an abundant number, since it is smaller than the sum of its proper divisors (1978268296764).

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

1101012213444 is a wasteful number, since it uses less digits than its factorization.

1101012213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518 (or 16516 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1101012213444 its reverse (4443122101011), we get a palindrome (5544134314455).

The spelling of 1101012213444 in words is "one trillion, one hundred one billion, twelve million, two hundred thirteen thousand, four hundred forty-four".